feat(pdfengines): add split feature

Makefile

@@ -73,6 +73,7 @@ LOG_FORMAT=auto
 LOG_FIELDS_PREFIX=
 PDFENGINES_ENGINES=
 PDFENGINES_MERGE_ENGINES=qpdf,pdfcpu,pdftk
+PDFENGINES_SPLIT_ENGINES=pdfcpu,qpdf,pdftk
 PDFENGINES_CONVERT_ENGINES=libreoffice-pdfengine
 PDFENGINES_READ_METADATA_ENGINES=exiftool
 PDFENGINES_WRITE_METADATA_ENGINES=exiftool
@@ -141,6 +142,7 @@ run: ## Start a Gotenberg container
 	--log-fields-prefix=$(LOG_FIELDS_PREFIX) \
 	--pdfengines-engines=$(PDFENGINES_ENGINES) \
 	--pdfengines-merge-engines=$(PDFENGINES_MERGE_ENGINES) \
+	--pdfengines-split-engines=$(PDFENGINES_SPLIT_ENGINES) \
 	--pdfengines-convert-engines=$(PDFENGINES_CONVERT_ENGINES) \
 	--pdfengines-read-metadata-engines=$(PDFENGINES_READ_METADATA_ENGINES) \
 	--pdfengines-write-metadata-engines=$(PDFENGINES_WRITE_METADATA_ENGINES) \

pkg/gotenberg/fs.go

@@ -3,22 +3,56 @@ package gotenberg
 import (
 	"fmt"
 	"os"
+	"path/filepath"
+	"strings"
 
 	"github.com/google/uuid"
 )
 
+// MkdirAll defines the method signature for create a directory. Implement this
+// interface if you don't want to rely on [os.MkdirAll], notably for testing
+// purpose.
+type MkdirAll interface {
+	// MkdirAll uses the same signature as [os.MkdirAll].
+	MkdirAll(path string, perm os.FileMode) error
+}
+
+// OsMkdirAll implements the [MkdirAll] interface with [os.MkdirAll].
+type OsMkdirAll struct{}
+
+// MkdirAll is a wrapper around [os.MkdirAll].
+func (o *OsMkdirAll) MkdirAll(path string, perm os.FileMode) error { return os.MkdirAll(path, perm) }
+
+// PathRename defines the method signature for renaming files. Implement this
+// interface if you don't want to rely on [os.Rename], notably for testing
+// purpose.
+type PathRename interface {
+	// Rename uses the same signature as [os.Rename].
+	Rename(oldpath, newpath string) error
+}
+
+// OsPathRename implements the [PathRename] interface with [os.Rename].
+type OsPathRename struct{}
+
+// Rename is a wrapper around [os.Rename].
+func (o *OsPathRename) Rename(oldpath, newpath string) error {
+	return os.Rename(oldpath, newpath)
+}
+
 // FileSystem provides utilities for managing temporary directories. It creates
 // unique directory names based on UUIDs to ensure isolation of temporary files
 // for different modules.
 type FileSystem struct {
 	workingDir string
+	mkdirAll   MkdirAll
 }
 
 // NewFileSystem initializes a new [FileSystem] instance with a unique working
 // directory.
-func NewFileSystem() *FileSystem {
+func NewFileSystem(mkdirAll MkdirAll) *FileSystem {
 	return &FileSystem{
 		workingDir: uuid.NewString(),
+		mkdirAll:   mkdirAll,
 	}
 }
 
@@ -44,7 +78,7 @@ func (fs *FileSystem) NewDirPath() string {
 func (fs *FileSystem) MkdirAll() (string, error) {
 	path := fs.NewDirPath()
 
-	err := os.MkdirAll(path, 0o755)
+	err := fs.mkdirAll.MkdirAll(path, 0o755)
 	if err != nil {
 		return "", fmt.Errorf("create directory %s: %w", path, err)
 	}
@@ -52,10 +86,27 @@ func (fs *FileSystem) MkdirAll() (string, error) {
 	return path, nil
 }
 
-// PathRename defines the method signature for renaming files. Implement this
+// WalkDir walks through the root level of a directory and returns a list of
-// interface if you don't want to rely on [os.Rename], notably for testing
+// files paths that match the specified file extension.
-// purpose.
+func WalkDir(dir, ext string) ([]string, error) {
-type PathRename interface {
+	var files []string
-	// Rename uses the same signature as [os.Rename].
+	err := filepath.Walk(dir, func(path string, info os.FileInfo, pathErr error) error {
-	Rename(oldpath, newpath string) error
+		if pathErr != nil {
+			return pathErr
+		}
+		if info.IsDir() {
+			return nil
+		}
+		if strings.EqualFold(filepath.Ext(info.Name()), ext) {
+			files = append(files, path)
+		}
+		return nil
+	})
+	return files, err
 }
+
+// Interface guards.
+var (
+	_ MkdirAll   = (*OsMkdirAll)(nil)
+	_ PathRename = (*OsPathRename)(nil)
+)

pkg/gotenberg/fs_test.go

@@ -1,14 +1,84 @@
 package gotenberg
 
 import (
+	"errors"
 	"fmt"
+	"io"
 	"os"
+	"path/filepath"
+	"reflect"
 	"strings"
 	"testing"
+
+	"github.com/google/uuid"
 )
 
+func TestOsMkdirAll_MkdirAll(t *testing.T) {
+	dirPath, err := NewFileSystem(new(OsMkdirAll)).MkdirAll()
+	if err != nil {
+		t.Fatalf("create working directory: %v", err)
+	}
+
+	err = os.RemoveAll(dirPath)
+	if err != nil {
+		t.Fatalf("remove working directory: %v", err)
+	}
+}
+
+func TestOsPathRename_Rename(t *testing.T) {
+	dirPath, err := NewFileSystem(new(OsMkdirAll)).MkdirAll()
+	if err != nil {
+		t.Fatalf("create working directory: %v", err)
+	}
+
+	path := "/tests/test/testdata/api/sample1.txt"
+	copyPath := filepath.Join(dirPath, fmt.Sprintf("%s.txt", uuid.NewString()))
+
+	in, err := os.Open(path)
+	if err != nil {
+		t.Fatalf("open file: %v", err)
+	}
+
+	defer func() {
+		err := in.Close()
+		if err != nil {
+			t.Fatalf("close file: %v", err)
+		}
+	}()
+
+	out, err := os.Create(copyPath)
+	if err != nil {
+		t.Fatalf("create new file: %v", err)
+	}
+
+	defer func() {
+		err := out.Close()
+		if err != nil {
+			t.Fatalf("close new file: %v", err)
+		}
+	}()
+
+	_, err = io.Copy(out, in)
+	if err != nil {
+		t.Fatalf("copy file to new file: %v", err)
+	}
+
+	rename := new(OsPathRename)
+	newPath := filepath.Join(dirPath, fmt.Sprintf("%s.txt", uuid.NewString()))
+
+	err = rename.Rename(copyPath, newPath)
+	if err != nil {
+		t.Errorf("expected no error but got: %v", err)
+	}
+
+	err = os.RemoveAll(dirPath)
+	if err != nil {
+		t.Fatalf("remove working directory: %v", err)
+	}
+}
+
 func TestFileSystem_WorkingDir(t *testing.T) {
-	fs := NewFileSystem()
+	fs := NewFileSystem(new(MkdirAllMock))
 	dirName := fs.WorkingDir()
 
 	if dirName == "" {
@@ -17,7 +87,7 @@ func TestFileSystem_WorkingDir(t *testing.T) {
 }
 
 func TestFileSystem_WorkingDirPath(t *testing.T) {
-	fs := NewFileSystem()
+	fs := NewFileSystem(new(MkdirAllMock))
 	expectedPath := fmt.Sprintf("%s/%s", os.TempDir(), fs.WorkingDir())
 
 	if fs.WorkingDirPath() != expectedPath {
@@ -26,7 +96,7 @@ func TestFileSystem_WorkingDirPath(t *testing.T) {
 }
 
 func TestFileSystem_NewDirPath(t *testing.T) {
-	fs := NewFileSystem()
+	fs := NewFileSystem(new(MkdirAllMock))
 	newDir := fs.NewDirPath()
 	expectedPrefix := fs.WorkingDirPath()
 
@@ -36,20 +106,117 @@ func TestFileSystem_NewDirPath(t *testing.T) {
 }
 
 func TestFileSystem_MkdirAll(t *testing.T) {
-	fs := NewFileSystem()
+	for _, tc := range []struct {
+		scenario    string
+		mkdirAll    MkdirAll
+		expectError bool
+	}{
+		{
+			scenario: "error",
+			mkdirAll: &MkdirAllMock{
+				MkdirAllMock: func(path string, perm os.FileMode) error {
+					return errors.New("foo")
+				},
+			},
+			expectError: true,
+		},
+		{
+			scenario: "success",
+			mkdirAll: &MkdirAllMock{
+				MkdirAllMock: func(path string, perm os.FileMode) error {
+					return nil
+				},
+			},
+			expectError: false,
+		},
+	} {
+		t.Run(tc.scenario, func(t *testing.T) {
+			fs := NewFileSystem(tc.mkdirAll)
 
-	newPath, err := fs.MkdirAll()
+			_, err := fs.MkdirAll()
-	if err != nil {
-		t.Fatalf("expected no error but got: %v", err)
-	}
 
-	_, err = os.Stat(newPath)
+			if !tc.expectError && err != nil {
-	if os.IsNotExist(err) {
+				t.Fatalf("expected no error but got: %v", err)
-		t.Errorf("expected directory '%s' to exist but it doesn't", newPath)
+			}
-	}
 
-	err = os.RemoveAll(fs.WorkingDirPath())
+			if tc.expectError && err == nil {
-	if err != nil {
+				t.Fatal("expected error but got none")
-		t.Fatalf("expected no error while cleaning up but got: %v", err)
+			}
+		})
+	}
+}
+
+func TestWalkDir(t *testing.T) {
+	for _, tc := range []struct {
+		scenario    string
+		dir         string
+		ext         string
+		expectError bool
+		expectFiles []string
+	}{
+		{
+			scenario:    "directory does not exist",
+			dir:         uuid.NewString(),
+			ext:         ".pdf",
+			expectError: true,
+		},
+		{
+			scenario: "find PDF files",
+			dir: func() string {
+				path := fmt.Sprintf("%s/a_directory", os.TempDir())
+
+				err := os.MkdirAll(path, 0o755)
+				if err != nil {
+					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+				}
+
+				err = os.WriteFile(fmt.Sprintf("%s/a_foo_file.pdf", path), []byte{1}, 0o755)
+				if err != nil {
+					t.Fatalf("expected no error but got: %v", err)
+				}
+
+				err = os.WriteFile(fmt.Sprintf("%s/a_bar_file.PDF", path), []byte{1}, 0o755)
+				if err != nil {
+					t.Fatalf("expected no error but got: %v", err)
+				}
+
+				err = os.WriteFile(fmt.Sprintf("%s/a_baz_file.txt", path), []byte{1}, 0o755)
+				if err != nil {
+					t.Fatalf("expected no error but got: %v", err)
+				}
+
+				return path
+			}(),
+			ext:         ".pdf",
+			expectError: false,
+			expectFiles: []string{"/tmp/a_directory/a_bar_file.PDF", "/tmp/a_directory/a_foo_file.pdf"},
+		},
+	} {
+		t.Run(tc.scenario, func(t *testing.T) {
+			defer func() {
+				err := os.RemoveAll(tc.dir)
+				if err != nil {
+					t.Fatalf("expected no error while cleaning up but got: %v", err)
+				}
+			}()
+
+			files, err := WalkDir(tc.dir, tc.ext)
+
+			if !tc.expectError && err != nil {
+				t.Fatalf("expected no error but got: %v", err)
+			}
+
+			if tc.expectError && err == nil {
+				t.Fatal("expected error but got none")
+			}
+
+			if tc.expectError && err != nil {
+				return
+			}
+
+			if !reflect.DeepEqual(files, tc.expectFiles) {
+				t.Errorf("expected files %+v, but got %+v", tc.expectFiles, files)
+			}
+		})
 	}
 }

pkg/gotenberg/mocks.go

@@ -2,6 +2,7 @@ package gotenberg
 
 import (
 	"context"
+	"os"
 
 	"go.uber.org/zap"
 )
@@ -36,6 +37,7 @@ func (mod *ValidatorMock) Validate() error {
 // PdfEngineMock is a mock for the [PdfEngine] interface.
 type PdfEngineMock struct {
 	MergeMock         func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error
+	SplitMock         func(ctx context.Context, logger *zap.Logger, mode SplitMode, inputPath, outputDirPath string) ([]string, error)
 	ConvertMock       func(ctx context.Context, logger *zap.Logger, formats PdfFormats, inputPath, outputPath string) error
 	ReadMetadataMock  func(ctx context.Context, logger *zap.Logger, inputPath string) (map[string]interface{}, error)
 	WriteMetadataMock func(ctx context.Context, logger *zap.Logger, metadata map[string]interface{}, inputPath string) error
@@ -45,6 +47,10 @@ func (engine *PdfEngineMock) Merge(ctx context.Context, logger *zap.Logger, inpu
 	return engine.MergeMock(ctx, logger, inputPaths, outputPath)
 }
 
+func (engine *PdfEngineMock) Split(ctx context.Context, logger *zap.Logger, mode SplitMode, inputPath, outputDirPath string) ([]string, error) {
+	return engine.SplitMock(ctx, logger, mode, inputPath, outputDirPath)
+}
+
 func (engine *PdfEngineMock) Convert(ctx context.Context, logger *zap.Logger, formats PdfFormats, inputPath, outputPath string) error {
 	return engine.ConvertMock(ctx, logger, formats, inputPath, outputPath)
 }
@@ -137,6 +143,15 @@ func (provider *MetricsProviderMock) Metrics() ([]Metric, error) {
 	return provider.MetricsMock()
 }
 
+// MkdirAllMock is a mock for the [MkdirAll] interface.
+type MkdirAllMock struct {
+	MkdirAllMock func(path string, perm os.FileMode) error
+}
+
+func (mkdirAll *MkdirAllMock) MkdirAll(path string, perm os.FileMode) error {
+	return mkdirAll.MkdirAllMock(path, perm)
+}
+
 // PathRenameMock is a mock for the [PathRename] interface.
 type PathRenameMock struct {
 	RenameMock func(oldpath, newpath string) error
@@ -156,4 +171,6 @@ var (
 	_ ProcessSupervisor = (*ProcessSupervisorMock)(nil)
 	_ LoggerProvider    = (*LoggerProviderMock)(nil)
 	_ MetricsProvider   = (*MetricsProviderMock)(nil)
+	_ MkdirAll          = (*MkdirAllMock)(nil)
+	_ PathRename        = (*PathRenameMock)(nil)
 )

pkg/gotenberg/mocks_test.go

@@ -2,6 +2,7 @@ package gotenberg
 
 import (
 	"context"
+	"os"
 	"testing"
 
 	"go.uber.org/zap"
@@ -52,6 +53,9 @@ func TestPDFEngineMock(t *testing.T) {
 		MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
 			return nil
 		},
+		SplitMock: func(ctx context.Context, logger *zap.Logger, mode SplitMode, inputPath, outputDirPath string) ([]string, error) {
+			return nil, nil
+		},
 		ConvertMock: func(ctx context.Context, logger *zap.Logger, formats PdfFormats, inputPath, outputPath string) error {
 			return nil
 		},
@@ -68,6 +72,11 @@ func TestPDFEngineMock(t *testing.T) {
 		t.Errorf("expected no error from PdfEngineMock.Merge, but got: %v", err)
 	}
 
+	_, err = mock.Split(context.Background(), zap.NewNop(), SplitMode{}, "", "")
+	if err != nil {
+		t.Errorf("expected no error from PdfEngineMock.Split, but got: %v", err)
+	}
+
 	err = mock.Convert(context.Background(), zap.NewNop(), PdfFormats{}, "", "")
 	if err != nil {
 		t.Errorf("expected no error from PdfEngineMock.Convert, but got: %v", err)
@@ -205,6 +214,19 @@ func TestMetricsProviderMock(t *testing.T) {
 	}
 }
 
+func TestMkdirAllMock(t *testing.T) {
+	mock := &MkdirAllMock{
+		MkdirAllMock: func(dir string, perm os.FileMode) error {
+			return nil
+		},
+	}
+
+	err := mock.MkdirAll("/foo", 0o755)
+	if err != nil {
+		t.Errorf("expected no error from MkdirAllMock.MkdirAll, but got: %v", err)
+	}
+}
+
 func TestPathRenameMock(t *testing.T) {
 	mock := &PathRenameMock{
 		RenameMock: func(oldpath, newpath string) error {

pkg/gotenberg/pdfengine.go

@@ -12,6 +12,10 @@ var (
 	// PdfEngine interface is not supported by its current implementation.
 	ErrPdfEngineMethodNotSupported = errors.New("method not supported")
 
+	// ErrPdfSplitModeNotSupported is returned when the Split method of the
+	// PdfEngine interface does not sumport a requested PDF split mode.
+	ErrPdfSplitModeNotSupported = errors.New("split mode not supported")
+
 	// ErrPdfFormatNotSupported is returned when the Convert method of the
 	// PdfEngine interface does not support a requested PDF format conversion.
 	ErrPdfFormatNotSupported = errors.New("PDF format not supported")
@@ -21,6 +25,26 @@ var (
 	ErrPdfEngineMetadataValueNotSupported = errors.New("metadata value not supported")
 )
 
+const (
+	// SplitModeIntervals represents a mode where a PDF is split at specific
+	// intervals.
+	SplitModeIntervals string = "intervals"
+
+	// SplitModePages represents a mode where a PDF is split at specific page
+	// ranges.
+	SplitModePages string = "pages"
+)
+
+// SplitMode gathers the data required to split a PDF into multiple parts.
+type SplitMode struct {
+	// Mode is either "intervals" or "pages".
+	Mode string
+
+	// Span is either the intervals or the page ranges to extract, depending on
+	// the selected mode.
+	Span string
+}
+
 const (
 	// PdfA1a represents the PDF/A-1a format.
 	PdfA1a string = "PDF/A-1a"
@@ -65,6 +89,9 @@ type PdfEngine interface {
 	// is determined by the order of files provided in inputPaths.
 	Merge(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error
 
+	// Split splits a given PDF file.
+	Split(ctx context.Context, logger *zap.Logger, mode SplitMode, inputPath, outputDirPath string) ([]string, error)
+
 	// Convert transforms a given PDF to the specified formats defined in
 	// PdfFormats. If no format, it does nothing.
 	Convert(ctx context.Context, logger *zap.Logger, formats PdfFormats, inputPath, outputPath string) error

pkg/modules/api/api.go

@@ -318,7 +318,7 @@ func (a *Api) Provision(ctx *gotenberg.Context) error {
 	a.logger = logger
 
 	// File system.
-	a.fs = gotenberg.NewFileSystem()
+	a.fs = gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 	return nil
 }

pkg/modules/api/api_test.go

@@ -850,7 +850,7 @@ func TestApi_Start(t *testing.T) {
 				},
 			}
 			mod.readyFn = tc.readyFn
-			mod.fs = gotenberg.NewFileSystem()
+			mod.fs = gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 			mod.logger = zap.NewNop()
 
 			err := mod.Start()

pkg/modules/api/context.go

@@ -47,6 +47,7 @@ type Context struct {
 
 	logger     *zap.Logger
 	echoCtx    echo.Context
+	mkdirAll   gotenberg.MkdirAll
 	pathRename gotenberg.PathRename
 	context.Context
 }
@@ -81,12 +82,6 @@ type downloadFrom struct {
 	ExtraHttpHeaders map[string]string `json:"extraHttpHeaders"`
 }
 
-type osPathRename struct{}
-
-func (o *osPathRename) Rename(oldpath, newpath string) error {
-	return os.Rename(oldpath, newpath)
-}
-
 // newContext returns a [Context] by parsing a "multipart/form-data" request.
 func newContext(echoCtx echo.Context, logger *zap.Logger, fs *gotenberg.FileSystem, timeout time.Duration, bodyLimit int64, downloadFromCfg downloadFromConfig, traceHeader, trace string) (*Context, context.CancelFunc, error) {
 	processCtx, processCancel := context.WithTimeout(context.Background(), timeout)
@@ -112,7 +107,8 @@ func newContext(echoCtx echo.Context, logger *zap.Logger, fs *gotenberg.FileSyst
 		cancelled:   false,
 		logger:      logger,
 		echoCtx:     echoCtx,
-		pathRename:  new(osPathRename),
+		mkdirAll:    new(gotenberg.OsMkdirAll),
+		pathRename:  new(gotenberg.OsPathRename),
 		Context:     processCtx,
 	}
 
@@ -414,9 +410,21 @@ func (ctx *Context) GeneratePath(extension string) string {
 	return fmt.Sprintf("%s/%s%s", ctx.dirPath, uuid.New().String(), extension)
 }
 
+// CreateSubDirectory creates a subdirectory within the context's working
+// directory.
+func (ctx *Context) CreateSubDirectory(dirName string) (string, error) {
+	path := fmt.Sprintf("%s/%s", ctx.dirPath, dirName)
+	err := ctx.mkdirAll.MkdirAll(path, 0o755)
+	if err != nil {
+		return "", fmt.Errorf("create sub-directory %s: %w", path, err)
+	}
+	return path, nil
+}
+
 // Rename is just a wrapper around [os.Rename], as we need to mock this
 // behavior in our tests.
 func (ctx *Context) Rename(oldpath, newpath string) error {
+	ctx.Log().Debug(fmt.Sprintf("rename %s to %s", oldpath, newpath))
 	err := ctx.pathRename.Rename(oldpath, newpath)
 	if err != nil {
 		return fmt.Errorf("rename path: %w", err)
@@ -496,8 +504,3 @@ func (ctx *Context) OutputFilename(outputPath string) string {
 
 	return fmt.Sprintf("%s%s", filename, filepath.Ext(outputPath))
 }
-
-// Interface guard.
-var (
-	_ gotenberg.PathRename = (*osPathRename)(nil)
-)

pkg/modules/api/context_test.go

@@ -4,78 +4,22 @@ import (
 	"bytes"
 	"context"
 	"errors"
-	"fmt"
-	"io"
 	"mime/multipart"
 	"net/http"
 	"net/http/httptest"
 	"os"
-	"path/filepath"
 	"reflect"
 	"strings"
 	"testing"
 	"time"
 
 	"github.com/dlclark/regexp2"
-	"github.com/google/uuid"
 	"github.com/labstack/echo/v4"
 	"go.uber.org/zap"
 
 	"github.com/gotenberg/gotenberg/v8/pkg/gotenberg"
 )
 
-func TestOsPathRename_Rename(t *testing.T) {
-	dirPath, err := gotenberg.NewFileSystem().MkdirAll()
-	if err != nil {
-		t.Fatalf("create working directory: %v", err)
-	}
-
-	path := "/tests/test/testdata/api/sample1.txt"
-	copyPath := filepath.Join(dirPath, fmt.Sprintf("%s.txt", uuid.NewString()))
-
-	in, err := os.Open(path)
-	if err != nil {
-		t.Fatalf("open file: %v", err)
-	}
-
-	defer func() {
-		err := in.Close()
-		if err != nil {
-			t.Fatalf("close file: %v", err)
-		}
-	}()
-
-	out, err := os.Create(copyPath)
-	if err != nil {
-		t.Fatalf("create new file: %v", err)
-	}
-
-	defer func() {
-		err := out.Close()
-		if err != nil {
-			t.Fatalf("close new file: %v", err)
-		}
-	}()
-
-	_, err = io.Copy(out, in)
-	if err != nil {
-		t.Fatalf("copy file to new file: %v", err)
-	}
-
-	rename := new(osPathRename)
-	newPath := filepath.Join(dirPath, fmt.Sprintf("%s.txt", uuid.NewString()))
-
-	err = rename.Rename(copyPath, newPath)
-	if err != nil {
-		t.Errorf("expected no error but got: %v", err)
-	}
-
-	err = os.RemoveAll(dirPath)
-	if err != nil {
-		t.Fatalf("remove working directory: %v", err)
-	}
-}
-
 func TestNewContext(t *testing.T) {
 	defaultAllowList, err := regexp2.Compile("", 0)
 	if err != nil {
@@ -548,7 +492,7 @@ func TestNewContext(t *testing.T) {
 			}
 
 			handler := func(c echo.Context) error {
-				ctx, cancel, err := newContext(c, zap.NewNop(), gotenberg.NewFileSystem(), time.Duration(10)*time.Second, tc.bodyLimit, tc.downloadFromCfg, "Gotenberg-Trace", "123")
+				ctx, cancel, err := newContext(c, zap.NewNop(), gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)), time.Duration(10)*time.Second, tc.bodyLimit, tc.downloadFromCfg, "Gotenberg-Trace", "123")
 				defer cancel()
 				// Context already cancelled.
 				defer cancel()
@@ -647,6 +591,42 @@ func TestContext_FormData(t *testing.T) {
 	}
 }
 
+func TestContext_CreateSubDirectory(t *testing.T) {
+	for _, tc := range []struct {
+		scenario    string
+		ctx         *Context
+		expectError bool
+	}{
+		{
+			scenario: "failure",
+			ctx: &Context{mkdirAll: &gotenberg.MkdirAllMock{MkdirAllMock: func(path string, perm os.FileMode) error {
+				return errors.New("cannot rename")
+			}}},
+			expectError: true,
+		},
+		{
+			scenario: "success",
+			ctx: &Context{mkdirAll: &gotenberg.MkdirAllMock{MkdirAllMock: func(path string, perm os.FileMode) error {
+				return nil
+			}}},
+			expectError: false,
+		},
+	} {
+		t.Run(tc.scenario, func(t *testing.T) {
+			tc.ctx.logger = zap.NewNop()
+			_, err := tc.ctx.CreateSubDirectory("foo")
+
+			if tc.expectError && err == nil {
+				t.Fatal("expected error but got none", err)
+			}
+
+			if !tc.expectError && err != nil {
+				t.Fatalf("expected no error but got: %v", err)
+			}
+		})
+	}
+}
+
 func TestContext_GeneratePath(t *testing.T) {
 	ctx := &Context{
 		dirPath: "/foo",
@@ -680,6 +660,7 @@ func TestContext_Rename(t *testing.T) {
 		},
 	} {
 		t.Run(tc.scenario, func(t *testing.T) {
+			tc.ctx.logger = zap.NewNop()
 			err := tc.ctx.Rename("", "")
 
 			if tc.expectError && err == nil {
@@ -788,7 +769,7 @@ func TestContext_BuildOutputFile(t *testing.T) {
 		},
 	} {
 		t.Run(tc.scenario, func(t *testing.T) {
-			fs := gotenberg.NewFileSystem()
+			fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 			dirPath, err := fs.MkdirAll()
 			if err != nil {
 				t.Fatalf("expected no erro but got: %v", err)

pkg/modules/api/middlewares.go

@@ -48,6 +48,10 @@ func ParseError(err error) (int, string) {
 		return http.StatusTooManyRequests, http.StatusText(http.StatusTooManyRequests)
 	}
 
+	if errors.Is(err, gotenberg.ErrPdfSplitModeNotSupported) {
+		return http.StatusBadRequest, "At least one PDF engine cannot process the requested PDF split mode, while others may have failed to split due to different issues"
+	}
+
 	if errors.Is(err, gotenberg.ErrPdfFormatNotSupported) {
 		return http.StatusBadRequest, "At least one PDF engine cannot process the requested PDF format, while others may have failed to convert due to different issues"
 	}

pkg/modules/api/middlewares_test.go

@@ -38,6 +38,11 @@ func TestParseError(t *testing.T) {
 			expectStatus:  http.StatusTooManyRequests,
 			expectMessage: http.StatusText(http.StatusTooManyRequests),
 		},
+		{
+			err:           gotenberg.ErrPdfSplitModeNotSupported,
+			expectStatus:  http.StatusBadRequest,
+			expectMessage: "At least one PDF engine cannot process the requested PDF split mode, while others may have failed to split due to different issues",
+		},
 		{
 			err:           gotenberg.ErrPdfFormatNotSupported,
 			expectStatus:  http.StatusBadRequest,
@@ -462,7 +467,7 @@ func TestContextMiddleware(t *testing.T) {
 		c.Set("trace", "foo")
 		c.Set("startTime", time.Now())
 
-		err := contextMiddleware(gotenberg.NewFileSystem(), time.Duration(10)*time.Second, 0, downloadFromConfig{})(tc.next)(c)
+		err := contextMiddleware(gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)), time.Duration(10)*time.Second, 0, downloadFromConfig{})(tc.next)(c)
 
 		if tc.expectErr && err == nil {
 			t.Errorf("test %d: expected error but got: %v", i, err)

pkg/modules/api/mocks.go

@@ -86,6 +86,14 @@ func (ctx *ContextMock) SetEchoContext(c echo.Context) {
 	ctx.Context.echoCtx = c
 }
 
+// SetMkdirAll sets the [gotenberg.MkdirAll].
+//
+//	ctx := &api.ContextMock{Context: &api.Context{}}
+//	ctx.SetMkdirAll(mkdirAll)
+func (ctx *ContextMock) SetMkdirAll(mkdirAll gotenberg.MkdirAll) {
+	ctx.Context.mkdirAll = mkdirAll
+}
+
 // SetPathRename sets the [gotenberg.PathRename].
 //
 //	ctx := &api.ContextMock{Context: &api.Context{}}

pkg/modules/api/mocks_test.go

@@ -7,6 +7,8 @@ import (
 	"github.com/alexliesenfeld/health"
 	"github.com/labstack/echo/v4"
 	"go.uber.org/zap"
+
+	"github.com/gotenberg/gotenberg/v8/pkg/gotenberg"
 )
 
 func TestContextMock_SetDirPath(t *testing.T) {
@@ -117,10 +119,23 @@ func TestContextMock_SetEchoContext(t *testing.T) {
 	}
 }
 
+func TestContextMock_SetMkdirAll(t *testing.T) {
+	mock := ContextMock{&Context{}}
+
+	expect := new(gotenberg.OsMkdirAll)
+	mock.SetMkdirAll(expect)
+
+	actual := mock.mkdirAll
+
+	if actual != expect {
+		t.Errorf("expected %v but got %v", expect, actual)
+	}
+}
+
 func TestContextMock_SetPathRename(t *testing.T) {
 	mock := ContextMock{&Context{}}
 
-	expect := new(osPathRename)
+	expect := new(gotenberg.OsPathRename)
 	mock.SetPathRename(expect)
 
 	actual := mock.pathRename

pkg/modules/chromium/browser.go

@@ -62,7 +62,7 @@ func newChromiumBrowser(arguments browserArguments) browser {
 	b := &chromiumBrowser{
 		initialCtx: context.Background(),
 		arguments:  arguments,
-		fs:         gotenberg.NewFileSystem(),
+		fs:         gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)),
 	}
 	b.isStarted.Store(false)
 

pkg/modules/chromium/browser_test.go

@@ -263,7 +263,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				b.isStarted.Store(false)
 				return b
 			}(),
-			fs:          gotenberg.NewFileSystem(),
+			fs:          gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)),
 			noDeadline:  false,
 			start:       false,
 			expectError: true,
@@ -275,7 +275,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				b.isStarted.Store(true)
 				return b
 			}(),
-			fs:          gotenberg.NewFileSystem(),
+			fs:          gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)),
 			noDeadline:  true,
 			start:       false,
 			expectError: true,
@@ -291,7 +291,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				b.isStarted.Store(true)
 				return b
 			}(),
-			fs:            gotenberg.NewFileSystem(),
+			fs:            gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)),
 			noDeadline:    false,
 			start:         false,
 			expectError:   true,
@@ -308,7 +308,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				b.isStarted.Store(true)
 				return b
 			}(),
-			fs:            gotenberg.NewFileSystem(),
+			fs:            gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)),
 			noDeadline:    false,
 			start:         false,
 			expectError:   true,
@@ -325,7 +325,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -357,7 +357,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -389,7 +389,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -424,7 +424,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -457,7 +457,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -495,7 +495,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -528,7 +528,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -554,7 +554,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -588,7 +588,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -621,7 +621,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -654,7 +654,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -688,7 +688,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -723,7 +723,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -758,7 +758,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -812,7 +812,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -845,7 +845,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -881,7 +881,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -914,7 +914,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -949,7 +949,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -984,7 +984,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1019,7 +1019,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1065,7 +1065,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1100,7 +1100,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1146,7 +1146,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1181,7 +1181,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1217,7 +1217,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1255,7 +1255,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1288,7 +1288,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1421,7 +1421,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				b.isStarted.Store(false)
 				return b
 			}(),
-			fs:          gotenberg.NewFileSystem(),
+			fs:          gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)),
 			noDeadline:  false,
 			start:       false,
 			expectError: true,
@@ -1437,7 +1437,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				b.isStarted.Store(true)
 				return b
 			}(),
-			fs:          gotenberg.NewFileSystem(),
+			fs:          gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)),
 			noDeadline:  true,
 			start:       false,
 			expectError: true,
@@ -1453,7 +1453,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				b.isStarted.Store(true)
 				return b
 			}(),
-			fs:            gotenberg.NewFileSystem(),
+			fs:            gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)),
 			noDeadline:    false,
 			start:         false,
 			expectError:   true,
@@ -1470,7 +1470,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				b.isStarted.Store(true)
 				return b
 			}(),
-			fs:            gotenberg.NewFileSystem(),
+			fs:            gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)),
 			noDeadline:    false,
 			start:         false,
 			expectError:   true,
@@ -1487,7 +1487,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1519,7 +1519,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1551,7 +1551,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1586,7 +1586,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1619,7 +1619,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1657,7 +1657,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1690,7 +1690,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1716,7 +1716,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1750,7 +1750,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1783,7 +1783,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1816,7 +1816,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1850,7 +1850,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1885,7 +1885,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1920,7 +1920,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -1974,7 +1974,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -2009,7 +2009,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -2042,7 +2042,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -2077,7 +2077,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -2112,7 +2112,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -2147,7 +2147,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -2193,7 +2193,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -2228,7 +2228,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -2274,7 +2274,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -2317,7 +2317,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -2365,7 +2365,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {

pkg/modules/chromium/routes.go

@@ -326,8 +326,9 @@ func convertUrlRoute(chromium Api, engine gotenberg.PdfEngine) api.Route {
 		Handler: func(c echo.Context) error {
 			ctx := c.Get("context").(*api.Context)
 			form, options := FormDataChromiumPdfOptions(ctx)
+			mode := pdfengines.FormDataPdfSplitMode(form, false)
 			pdfFormats := pdfengines.FormDataPdfFormats(form)
-			metadata := pdfengines.FormDataPdfMetadata(form)
+			metadata := pdfengines.FormDataPdfMetadata(form, false)
 
 			var url string
 			err := form.
@@ -337,7 +338,7 @@ func convertUrlRoute(chromium Api, engine gotenberg.PdfEngine) api.Route {
 				return fmt.Errorf("validate form data: %w", err)
 			}
 
-			err = convertUrl(ctx, chromium, engine, url, options, pdfFormats, metadata)
+			err = convertUrl(ctx, chromium, engine, url, options, mode, pdfFormats, metadata)
 			if err != nil {
 				return fmt.Errorf("convert URL to PDF: %w", err)
 			}
@@ -386,8 +387,9 @@ func convertHtmlRoute(chromium Api, engine gotenberg.PdfEngine) api.Route {
 		Handler: func(c echo.Context) error {
 			ctx := c.Get("context").(*api.Context)
 			form, options := FormDataChromiumPdfOptions(ctx)
+			mode := pdfengines.FormDataPdfSplitMode(form, false)
 			pdfFormats := pdfengines.FormDataPdfFormats(form)
-			metadata := pdfengines.FormDataPdfMetadata(form)
+			metadata := pdfengines.FormDataPdfMetadata(form, false)
 
 			var inputPath string
 			err := form.
@@ -398,7 +400,7 @@ func convertHtmlRoute(chromium Api, engine gotenberg.PdfEngine) api.Route {
 			}
 
 			url := fmt.Sprintf("file://%s", inputPath)
-			err = convertUrl(ctx, chromium, engine, url, options, pdfFormats, metadata)
+			err = convertUrl(ctx, chromium, engine, url, options, mode, pdfFormats, metadata)
 			if err != nil {
 				return fmt.Errorf("convert HTML to PDF: %w", err)
 			}
@@ -448,8 +450,9 @@ func convertMarkdownRoute(chromium Api, engine gotenberg.PdfEngine) api.Route {
 		Handler: func(c echo.Context) error {
 			ctx := c.Get("context").(*api.Context)
 			form, options := FormDataChromiumPdfOptions(ctx)
+			mode := pdfengines.FormDataPdfSplitMode(form, false)
 			pdfFormats := pdfengines.FormDataPdfFormats(form)
-			metadata := pdfengines.FormDataPdfMetadata(form)
+			metadata := pdfengines.FormDataPdfMetadata(form, false)
 
 			var (
 				inputPath     string
@@ -469,7 +472,7 @@ func convertMarkdownRoute(chromium Api, engine gotenberg.PdfEngine) api.Route {
 				return fmt.Errorf("transform markdown file(s) to HTML: %w", err)
 			}
 
-			err = convertUrl(ctx, chromium, engine, url, options, pdfFormats, metadata)
+			err = convertUrl(ctx, chromium, engine, url, options, mode, pdfFormats, metadata)
 			if err != nil {
 				return fmt.Errorf("convert markdown to PDF: %w", err)
 			}
@@ -593,7 +596,7 @@ func markdownToHtml(ctx *api.Context, inputPath string, markdownPaths []string)
 	return fmt.Sprintf("file://%s", inputPath), nil
 }
 
-func convertUrl(ctx *api.Context, chromium Api, engine gotenberg.PdfEngine, url string, options PdfOptions, pdfFormats gotenberg.PdfFormats, metadata map[string]interface{}) error {
+func convertUrl(ctx *api.Context, chromium Api, engine gotenberg.PdfEngine, url string, options PdfOptions, mode gotenberg.SplitMode, pdfFormats gotenberg.PdfFormats, metadata map[string]interface{}) error {
 	outputPath := ctx.GeneratePath(".pdf")
 
 	err := chromium.Pdf(ctx, ctx.Log(), url, outputPath, options)
@@ -632,16 +635,34 @@ func convertUrl(ctx *api.Context, chromium Api, engine gotenberg.PdfEngine, url
 		return fmt.Errorf("convert to PDF: %w", err)
 	}
 
-	outputPaths, err := pdfengines.ConvertStub(ctx, engine, pdfFormats, []string{outputPath})
+	outputPaths, err := pdfengines.SplitPdfStub(ctx, engine, mode, []string{outputPath})
 	if err != nil {
-		return fmt.Errorf("convert PDF: %w", err)
+		return fmt.Errorf("split PDF: %w", err)
 	}
 
-	err = pdfengines.WriteMetadataStub(ctx, engine, metadata, outputPaths)
+	convertOutputPaths, err := pdfengines.ConvertStub(ctx, engine, pdfFormats, outputPaths)
+	if err != nil {
+		return fmt.Errorf("convert PDF(s): %w", err)
+	}
+
+	err = pdfengines.WriteMetadataStub(ctx, engine, metadata, convertOutputPaths)
 	if err != nil {
 		return fmt.Errorf("write metadata: %w", err)
 	}
 
+	zeroValuedSplitMode := gotenberg.SplitMode{}
+	zeroValuedPdfFormats := gotenberg.PdfFormats{}
+	if mode != zeroValuedSplitMode && pdfFormats != zeroValuedPdfFormats {
+		// The PDF has been split and split parts have been converted to a
+		// specific format. We want to keep the split naming.
+		for i, convertOutputPath := range convertOutputPaths {
+			err = ctx.Rename(convertOutputPath, outputPaths[i])
+			if err != nil {
+				return fmt.Errorf("rename output path: %w", err)
+			}
+		}
+	}
+
 	err = ctx.AddOutputPaths(outputPaths...)
 	if err != nil {
 		return fmt.Errorf("add output paths: %w", err)

pkg/modules/chromium/routes_test.go

@@ -1428,6 +1428,7 @@ func TestConvertUrl(t *testing.T) {
 		api                    Api
 		engine                 gotenberg.PdfEngine
 		options                PdfOptions
+		splitMode              gotenberg.SplitMode
 		pdfFormats             gotenberg.PdfFormats
 		metadata               map[string]interface{}
 		expectError            bool
@@ -1570,6 +1571,36 @@ func TestConvertUrl(t *testing.T) {
 			expectHttpError:        false,
 			expectOutputPathsCount: 0,
 		},
+		{
+			scenario: "PDF engine split error",
+			ctx:      &api.ContextMock{Context: new(api.Context)},
+			api: &ApiMock{PdfMock: func(ctx context.Context, logger *zap.Logger, url, outputPath string, options PdfOptions) error {
+				return nil
+			}},
+			engine: &gotenberg.PdfEngineMock{SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+				return nil, errors.New("foo")
+			}},
+			options:                DefaultPdfOptions(),
+			splitMode:              gotenberg.SplitMode{Mode: gotenberg.SplitModeIntervals, Span: "1"},
+			expectError:            true,
+			expectHttpError:        false,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario: "success with split mode",
+			ctx:      &api.ContextMock{Context: new(api.Context)},
+			api: &ApiMock{PdfMock: func(ctx context.Context, logger *zap.Logger, url, outputPath string, options PdfOptions) error {
+				return nil
+			}},
+			engine: &gotenberg.PdfEngineMock{SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+				return []string{inputPath}, nil
+			}},
+			options:                DefaultPdfOptions(),
+			splitMode:              gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1"},
+			expectError:            false,
+			expectHttpError:        false,
+			expectOutputPathsCount: 1,
+		},
 		{
 			scenario: "PDF engine convert error",
 			ctx:      &api.ContextMock{Context: new(api.Context)},
@@ -1600,6 +1631,27 @@ func TestConvertUrl(t *testing.T) {
 			expectHttpError:        false,
 			expectOutputPathsCount: 1,
 		},
+		{
+			scenario: "success with split mode and PDF formats",
+			ctx:      &api.ContextMock{Context: new(api.Context)},
+			api: &ApiMock{PdfMock: func(ctx context.Context, logger *zap.Logger, url, outputPath string, options PdfOptions) error {
+				return nil
+			}},
+			engine: &gotenberg.PdfEngineMock{
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					return []string{inputPath}, nil
+				},
+				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
+					return nil
+				},
+			},
+			options:                DefaultPdfOptions(),
+			splitMode:              gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1"},
+			pdfFormats:             gotenberg.PdfFormats{PdfA: gotenberg.PdfA1b},
+			expectError:            false,
+			expectHttpError:        false,
+			expectOutputPathsCount: 1,
+		},
 		{
 			scenario: "PDF engine write metadata error",
 			ctx:      &api.ContextMock{Context: new(api.Context)},
@@ -1659,7 +1711,13 @@ func TestConvertUrl(t *testing.T) {
 	} {
 		t.Run(tc.scenario, func(t *testing.T) {
 			tc.ctx.SetLogger(zap.NewNop())
-			err := convertUrl(tc.ctx.Context, tc.api, tc.engine, "", tc.options, tc.pdfFormats, tc.metadata)
+			tc.ctx.SetMkdirAll(&gotenberg.MkdirAllMock{MkdirAllMock: func(path string, perm os.FileMode) error {
+				return nil
+			}})
+			tc.ctx.SetPathRename(&gotenberg.PathRenameMock{RenameMock: func(oldpath, newpath string) error {
+				return nil
+			}})
+			err := convertUrl(tc.ctx.Context, tc.api, tc.engine, "", tc.options, tc.splitMode, tc.pdfFormats, tc.metadata)
 
 			if tc.expectError && err == nil {
 				t.Fatal("expected error but got none", err)

pkg/modules/exiftool/exiftool.go

@@ -58,6 +58,11 @@ func (engine *ExifTool) Merge(ctx context.Context, logger *zap.Logger, inputPath
 	return fmt.Errorf("merge PDFs with ExifTool: %w", gotenberg.ErrPdfEngineMethodNotSupported)
 }
 
+// Split is not available in this implementation.
+func (engine *ExifTool) Split(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+	return nil, fmt.Errorf("split PDF with ExifTool: %w", gotenberg.ErrPdfEngineMethodNotSupported)
+}
+
 // Convert is not available in this implementation.
 func (engine *ExifTool) Convert(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
 	return fmt.Errorf("convert PDF to '%+v' with ExifTool: %w", formats, gotenberg.ErrPdfEngineMethodNotSupported)

pkg/modules/exiftool/exiftool_test.go

@@ -82,6 +82,15 @@ func TestExiftool_Merge(t *testing.T) {
 	}
 }
 
+func TestExiftool_Split(t *testing.T) {
+	engine := new(ExifTool)
+	_, err := engine.Split(context.Background(), zap.NewNop(), gotenberg.SplitMode{}, "", "")
+
+	if !errors.Is(err, gotenberg.ErrPdfEngineMethodNotSupported) {
+		t.Errorf("expected error %v, but got: %v", gotenberg.ErrPdfEngineMethodNotSupported, err)
+	}
+}
+
 func TestExiftool_Convert(t *testing.T) {
 	engine := new(ExifTool)
 	err := engine.Convert(context.Background(), zap.NewNop(), gotenberg.PdfFormats{}, "", "")
@@ -257,7 +266,7 @@ func TestExiftool_WriteMetadata(t *testing.T) {
 
 			var destinationPath string
 			if tc.createCopy {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 				outputDir, err := fs.MkdirAll()
 				if err != nil {
 					t.Fatalf("expected error no but got: %v", err)

pkg/modules/libreoffice/api/libreoffice.go

@@ -44,7 +44,7 @@ type libreOfficeProcess struct {
 func newLibreOfficeProcess(arguments libreOfficeArguments) libreOffice {
 	p := &libreOfficeProcess{
 		arguments: arguments,
-		fs:        gotenberg.NewFileSystem(),
+		fs:        gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)),
 	}
 	p.isStarted.Store(false)
 

pkg/modules/libreoffice/api/libreoffice_test.go

@@ -230,7 +230,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 				p.isStarted.Store(false)
 				return p
 			}(),
-			fs:           gotenberg.NewFileSystem(),
+			fs:           gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)),
 			cancelledCtx: false,
 			start:        false,
 			expectError:  true,
@@ -243,7 +243,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 				p.isStarted.Store(true)
 				return p
 			}(),
-			fs:            gotenberg.NewFileSystem(),
+			fs:            gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll)),
 			options:       Options{PdfFormats: gotenberg.PdfFormats{PdfA: "foo"}},
 			cancelledCtx:  false,
 			start:         false,
@@ -261,7 +261,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 			),
 			options: Options{PageRanges: "foo"},
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -291,7 +291,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 			),
 			options: Options{Password: "foo"},
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -344,7 +344,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -372,7 +372,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -400,7 +400,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -452,7 +452,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -481,7 +481,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -510,7 +510,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -539,7 +539,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 				},
 			),
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -625,7 +625,7 @@ func TestNonBasicLatinCharactersGuard(t *testing.T) {
 		{
 			scenario: "basic latin characters",
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
@@ -646,7 +646,7 @@ func TestNonBasicLatinCharactersGuard(t *testing.T) {
 		{
 			scenario: "non-basic latin characters",
 			fs: func() *gotenberg.FileSystem {
-				fs := gotenberg.NewFileSystem()
+				fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {

pkg/modules/libreoffice/pdfengine/pdfengine.go

@@ -51,6 +51,11 @@ func (engine *LibreOfficePdfEngine) Merge(ctx context.Context, logger *zap.Logge
 	return fmt.Errorf("merge PDFs with LibreOffice: %w", gotenberg.ErrPdfEngineMethodNotSupported)
 }
 
+// Split is not available in this implementation.
+func (engine *LibreOfficePdfEngine) Split(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+	return nil, fmt.Errorf("split PDF with LibreOffice: %w", gotenberg.ErrPdfEngineMethodNotSupported)
+}
+
 // Convert converts the given PDF to a specific PDF format. Currently, only the
 // PDF/A-1b, PDF/A-2b, PDF/A-3b and PDF/UA formats are available. If another
 // PDF format is requested, it returns a [gotenberg.ErrPdfFormatNotSupported]

pkg/modules/libreoffice/pdfengine/pdfengine_test.go

@@ -118,11 +118,21 @@ func TestLibreOfficePdfEngine_Merge(t *testing.T) {
 	}
 }
 
+func TestLibreOfficePdfEngine_Split(t *testing.T) {
+	engine := new(LibreOfficePdfEngine)
+	_, err := engine.Split(context.Background(), zap.NewNop(), gotenberg.SplitMode{}, "", "")
+
+	if !errors.Is(err, gotenberg.ErrPdfEngineMethodNotSupported) {
+		t.Errorf("expected error %v, but got: %v", gotenberg.ErrPdfEngineMethodNotSupported, err)
+	}
+}
+
 func TestLibreOfficePdfEngine_Convert(t *testing.T) {
 	for _, tc := range []struct {
-		scenario    string
+		scenario      string
-		api         api.Uno
+		api           api.Uno
-		expectError bool
+		expectError   bool
+		expectedError error
 	}{
 		{
 			scenario: "convert success",
@@ -134,13 +144,14 @@ func TestLibreOfficePdfEngine_Convert(t *testing.T) {
 			expectError: false,
 		},
 		{
-			scenario: "invalid PDF format",
+			scenario: "ErrInvalidPdfFormats",
 			api: &api.ApiMock{
 				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options api.Options) error {
 					return api.ErrInvalidPdfFormats
 				},
 			},
-			expectError: true,
+			expectError:   true,
+			expectedError: gotenberg.ErrPdfFormatNotSupported,
 		},
 		{
 			scenario: "convert fail",
@@ -163,6 +174,10 @@ func TestLibreOfficePdfEngine_Convert(t *testing.T) {
 			if tc.expectError && err == nil {
 				t.Fatal("expected error but got none")
 			}
+
+			if tc.expectedError != nil && !errors.Is(err, tc.expectedError) {
+				t.Fatalf("expected error %v but got: %v", tc.expectedError, err)
+			}
 		})
 	}
 }

pkg/modules/libreoffice/routes.go

@@ -28,8 +28,11 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
 			defaultOptions := libreofficeapi.DefaultOptions()
 
 			form := ctx.FormData()
+			splitMode := pdfengines.FormDataPdfSplitMode(form, false)
 			pdfFormats := pdfengines.FormDataPdfFormats(form)
-			metadata := pdfengines.FormDataPdfMetadata(form)
+			metadata := pdfengines.FormDataPdfMetadata(form, false)
+
+			zeroValuedSplitMode := gotenberg.SplitMode{}
 
 			var (
 				inputPaths                      []string
@@ -165,7 +168,9 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
 					MaxImageResolution:              maxImageResolution,
 				}
 
-				if nativePdfFormats {
+				if nativePdfFormats && splitMode == zeroValuedSplitMode {
+					// Only apply natively given PDF formats if we're not
+					// splitting the PDF later.
 					options.PdfFormats = pdfFormats
 				}
 
@@ -209,11 +214,44 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
 				outputPaths = []string{outputPath}
 			}
 
-			if !nativePdfFormats {
+			if splitMode != zeroValuedSplitMode {
-				outputPaths, err = pdfengines.ConvertStub(ctx, engine, pdfFormats, outputPaths)
+				if !merge {
+					// document.docx -> document.docx.pdf, so that split naming
+					// document.docx_0.pdf, etc.
+					for i, inputPath := range inputPaths {
+						outputPath := fmt.Sprintf("%s.pdf", inputPath)
+
+						err = ctx.Rename(outputPaths[i], outputPath)
+						if err != nil {
+							return fmt.Errorf("rename output path: %w", err)
+						}
+
+						outputPaths[i] = outputPath
+					}
+				}
+
+				outputPaths, err = pdfengines.SplitPdfStub(ctx, engine, splitMode, outputPaths)
+				if err != nil {
+					return fmt.Errorf("split PDFs: %w", err)
+				}
+			}
+
+			if !nativePdfFormats || (nativePdfFormats && splitMode != zeroValuedSplitMode) {
+				convertOutputPaths, err := pdfengines.ConvertStub(ctx, engine, pdfFormats, outputPaths)
 				if err != nil {
 					return fmt.Errorf("convert PDFs: %w", err)
 				}
+
+				if splitMode != zeroValuedSplitMode {
+					// The PDF has been split and split parts have been converted to
+					// specific formats. We want to keep the split naming.
+					for i, convertOutputPath := range convertOutputPaths {
+						err = ctx.Rename(convertOutputPath, outputPaths[i])
+						if err != nil {
+							return fmt.Errorf("rename output path: %w", err)
+						}
+					}
+				}
 			}
 
 			err = pdfengines.WriteMetadataStub(ctx, engine, metadata, outputPaths)
@@ -221,7 +259,7 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
 				return fmt.Errorf("write metadata: %w", err)
 			}
 
-			if len(outputPaths) > 1 {
+			if len(outputPaths) > 1 && splitMode == zeroValuedSplitMode {
 				// If .zip archive, document.docx -> document.docx.pdf.
 				for i, inputPath := range inputPaths {
 					outputPath := fmt.Sprintf("%s.pdf", inputPath)

pkg/modules/libreoffice/routes_test.go

@@ -3,7 +3,10 @@ package libreoffice
 import (
 	"context"
 	"errors"
+	"fmt"
 	"net/http"
+	"os"
+	"path/filepath"
 	"slices"
 	"testing"
 
@@ -300,6 +303,40 @@ func TestConvertRoute(t *testing.T) {
 			expectHttpError:        false,
 			expectOutputPathsCount: 0,
 		},
+		{
+			scenario: "PDF engine split error",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"document.docx": "/document.docx",
+				})
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						gotenberg.SplitModeIntervals,
+					},
+					"splitSpan": {
+						"1",
+					},
+				})
+				return ctx
+			}(),
+			libreOffice: &libreofficeapi.ApiMock{
+				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
+					return nil
+				},
+				ExtensionsMock: func() []string {
+					return []string{".docx"}
+				},
+			},
+			engine: &gotenberg.PdfEngineMock{
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					return nil, errors.New("foo")
+				},
+			},
+			expectError:            true,
+			expectHttpError:        false,
+			expectOutputPathsCount: 0,
+		},
 		{
 			scenario: "PDF engine convert error",
 			ctx: func() *api.ContextMock {
@@ -365,32 +402,6 @@ func TestConvertRoute(t *testing.T) {
 			expectHttpError:        false,
 			expectOutputPathsCount: 0,
 		},
-		{
-			scenario: "cannot rename many files",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-					"document2.doc":  "/document2.doc",
-				})
-				ctx.SetPathRename(&gotenberg.PathRenameMock{RenameMock: func(oldpath, newpath string) error {
-					return errors.New("cannot rename")
-				}})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx", ".doc"}
-				},
-			},
-			expectError:            true,
-			expectHttpError:        false,
-			expectOutputPathsCount: 0,
-		},
 		{
 			scenario: "cannot add output paths",
 			ctx: func() *api.ContextMock {
@@ -550,9 +561,173 @@ func TestConvertRoute(t *testing.T) {
 			expectHttpError:        false,
 			expectOutputPathsCount: 1,
 		},
+		{
+			scenario: "success with split (many files)",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"document.docx":  "/document.docx",
+					"document2.docx": "/document2.docx",
+				})
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						gotenberg.SplitModeIntervals,
+					},
+					"splitSpan": {
+						"1",
+					},
+				})
+				return ctx
+			}(),
+			libreOffice: &libreofficeapi.ApiMock{
+				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
+					return nil
+				},
+				ExtensionsMock: func() []string {
+					return []string{".docx"}
+				},
+			},
+			engine: &gotenberg.PdfEngineMock{
+				MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
+					return nil
+				},
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					inputPathNoExt := inputPath[:len(inputPath)-len(filepath.Ext(inputPath))]
+					filenameNoExt := filepath.Base(inputPathNoExt)
+					return []string{
+						fmt.Sprintf(
+							"%s/%s_%d.pdf",
+							outputDirPath, filenameNoExt, 0,
+						),
+						fmt.Sprintf(
+							"%s/%s_%d.pdf",
+							outputDirPath, filenameNoExt, 1,
+						),
+					}, nil
+				},
+			},
+			expectError:            false,
+			expectHttpError:        false,
+			expectOutputPathsCount: 4,
+			expectOutputPaths:      []string{"/document_docx/document.docx_0.pdf", "/document_docx/document.docx_1.pdf", "/document2_docx/document2.docx_0.pdf", "/document2_docx/document2.docx_1.pdf"},
+		},
+		{
+			scenario: "success with merge and split",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"document.docx":  "/document.docx",
+					"document2.docx": "/document2.docx",
+				})
+				ctx.SetValues(map[string][]string{
+					"merge": {
+						"true",
+					},
+					"splitMode": {
+						gotenberg.SplitModeIntervals,
+					},
+					"splitSpan": {
+						"1",
+					},
+				})
+				return ctx
+			}(),
+			libreOffice: &libreofficeapi.ApiMock{
+				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
+					return nil
+				},
+				ExtensionsMock: func() []string {
+					return []string{".docx"}
+				},
+			},
+			engine: &gotenberg.PdfEngineMock{
+				MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
+					return nil
+				},
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					inputPathNoExt := inputPath[:len(inputPath)-len(filepath.Ext(inputPath))]
+					filenameNoExt := filepath.Base(inputPathNoExt)
+					return []string{
+						fmt.Sprintf(
+							"%s/%s_%d.pdf",
+							outputDirPath, filenameNoExt, 0,
+						),
+						fmt.Sprintf(
+							"%s/%s_%d.pdf",
+							outputDirPath, filenameNoExt, 1,
+						),
+					}, nil
+				},
+			},
+			expectError:            false,
+			expectHttpError:        false,
+			expectOutputPathsCount: 2,
+		},
+		{
+			scenario: "success with split and native PDF/A & PDF/UA (many files)",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"document.docx":  "/document.docx",
+					"document2.docx": "/document2.docx",
+				})
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						gotenberg.SplitModeIntervals,
+					},
+					"splitSpan": {
+						"1",
+					},
+					"pdfa": {
+						gotenberg.PdfA1b,
+					},
+					"pdfua": {
+						"true",
+					},
+				})
+				return ctx
+			}(),
+			libreOffice: &libreofficeapi.ApiMock{
+				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
+					return nil
+				},
+				ExtensionsMock: func() []string {
+					return []string{".docx"}
+				},
+			},
+			engine: &gotenberg.PdfEngineMock{
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					inputPathNoExt := inputPath[:len(inputPath)-len(filepath.Ext(inputPath))]
+					filenameNoExt := filepath.Base(inputPathNoExt)
+					return []string{
+						fmt.Sprintf(
+							"%s/%s_%d.pdf",
+							outputDirPath, filenameNoExt, 0,
+						),
+						fmt.Sprintf(
+							"%s/%s_%d.pdf",
+							outputDirPath, filenameNoExt, 1,
+						),
+					}, nil
+				},
+				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
+					return nil
+				},
+			},
+			expectError:            false,
+			expectHttpError:        false,
+			expectOutputPathsCount: 4,
+			expectOutputPaths:      []string{"/document_docx/document.docx_0.pdf", "/document_docx/document.docx_1.pdf", "/document2_docx/document2.docx_0.pdf", "/document2_docx/document2.docx_1.pdf"},
+		},
 	} {
 		t.Run(tc.scenario, func(t *testing.T) {
 			tc.ctx.SetLogger(zap.NewNop())
+			tc.ctx.SetMkdirAll(&gotenberg.MkdirAllMock{MkdirAllMock: func(path string, perm os.FileMode) error {
+				return nil
+			}})
+			tc.ctx.SetPathRename(&gotenberg.PathRenameMock{RenameMock: func(oldpath, newpath string) error {
+				return nil
+			}})
 			c := echo.New().NewContext(nil, nil)
 			c.Set("context", tc.ctx.Context)
 

pkg/modules/pdfcpu/doc.go

@@ -2,6 +2,7 @@
 // interface using the pdfcpu command-line tool. This package allows for:
 //
 // 1. The merging of PDF files.
+// 2. The splitting of PDF files.
 //
 // See: https://github.com/pdfcpu/pdfcpu.
 package pdfcpu

pkg/modules/pdfcpu/pdfcpu.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"path/filepath"
 
 	"go.uber.org/zap"
 
@@ -70,6 +71,38 @@ func (engine *PdfCpu) Merge(ctx context.Context, logger *zap.Logger, inputPaths
 	return fmt.Errorf("merge PDFs with pdfcpu: %w", err)
 }
 
+// Split splits a given PDF file.
+func (engine *PdfCpu) Split(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+	var args []string
+
+	switch mode.Mode {
+	case gotenberg.SplitModeIntervals:
+		args = append(args, "split", "-mode", "span", inputPath, outputDirPath, mode.Span)
+	case gotenberg.SplitModePages:
+		outputPath := fmt.Sprintf("%s/%s", outputDirPath, filepath.Base(inputPath))
+		args = append(args, "trim", "-pages", mode.Span, inputPath, outputPath)
+	default:
+		return nil, fmt.Errorf("split PDFs using mode '%s' with pdfcpu: %w", mode.Mode, gotenberg.ErrPdfSplitModeNotSupported)
+	}
+
+	cmd, err := gotenberg.CommandContext(ctx, logger, engine.binPath, args...)
+	if err != nil {
+		return nil, fmt.Errorf("create command: %w", err)
+	}
+
+	_, err = cmd.Exec()
+	if err != nil {
+		return nil, fmt.Errorf("split PDFs with pdfcpu: %w", err)
+	}
+
+	outputPaths, err := gotenberg.WalkDir(outputDirPath, ".pdf")
+	if err != nil {
+		return nil, fmt.Errorf("walk directory to find resulting PDFs from split with pdfcpu: %w", err)
+	}
+
+	return outputPaths, nil
+}
+
 // Convert is not available in this implementation.
 func (engine *PdfCpu) Convert(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
 	return fmt.Errorf("convert PDF to '%+v' with pdfcpu: %w", formats, gotenberg.ErrPdfEngineMethodNotSupported)

pkg/modules/pdfcpu/pdfcpu_test.go

@@ -116,7 +116,7 @@ func TestPdfCpu_Merge(t *testing.T) {
 				t.Fatalf("expected error but got: %v", err)
 			}
 
-			fs := gotenberg.NewFileSystem()
+			fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 			outputDir, err := fs.MkdirAll()
 			if err != nil {
 				t.Fatalf("expected error but got: %v", err)
@@ -142,6 +142,95 @@ func TestPdfCpu_Merge(t *testing.T) {
 	}
 }
 
+func TestPdfCpu_Split(t *testing.T) {
+	for _, tc := range []struct {
+		scenario               string
+		ctx                    context.Context
+		mode                   gotenberg.SplitMode
+		inputPath              string
+		expectError            bool
+		expectedError          error
+		expectOutputPathsCount int
+	}{
+		{
+			scenario:               "ErrPdfSplitModeNotSupported",
+			expectError:            true,
+			expectedError:          gotenberg.ErrPdfSplitModeNotSupported,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario:               "invalid context",
+			ctx:                    nil,
+			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModeIntervals, Span: "1"},
+			expectError:            true,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario:               "invalid input path",
+			ctx:                    context.TODO(),
+			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModeIntervals, Span: "1"},
+			inputPath:              "",
+			expectError:            true,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario:               "success (intervals)",
+			ctx:                    context.TODO(),
+			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModeIntervals, Span: "1"},
+			inputPath:              "/tests/test/testdata/pdfengines/sample1.pdf",
+			expectError:            false,
+			expectOutputPathsCount: 3,
+		},
+		{
+			scenario:               "success (pages)",
+			ctx:                    context.TODO(),
+			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1"},
+			inputPath:              "/tests/test/testdata/pdfengines/sample1.pdf",
+			expectError:            false,
+			expectOutputPathsCount: 1,
+		},
+	} {
+		t.Run(tc.scenario, func(t *testing.T) {
+			engine := new(PdfCpu)
+			err := engine.Provision(nil)
+			if err != nil {
+				t.Fatalf("expected error but got: %v", err)
+			}
+
+			fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
+			outputDir, err := fs.MkdirAll()
+			if err != nil {
+				t.Fatalf("expected error but got: %v", err)
+			}
+
+			defer func() {
+				err = os.RemoveAll(fs.WorkingDirPath())
+				if err != nil {
+					t.Fatalf("expected no error while cleaning up but got: %v", err)
+				}
+			}()
+
+			outputPaths, err := engine.Split(tc.ctx, zap.NewNop(), tc.mode, tc.inputPath, outputDir)
+
+			if !tc.expectError && err != nil {
+				t.Fatalf("expected no error but got: %v", err)
+			}
+
+			if tc.expectError && err == nil {
+				t.Fatal("expected error but got none")
+			}
+
+			if tc.expectedError != nil && !errors.Is(err, tc.expectedError) {
+				t.Fatalf("expected error %v but got: %v", tc.expectedError, err)
+			}
+
+			if tc.expectOutputPathsCount != len(outputPaths) {
+				t.Errorf("expected %d output paths but got %d", tc.expectOutputPathsCount, len(outputPaths))
+			}
+		})
+	}
+}
+
 func TestPdfCpu_Convert(t *testing.T) {
 	mod := new(PdfCpu)
 	err := mod.Convert(context.TODO(), zap.NewNop(), gotenberg.PdfFormats{}, "", "")

pkg/modules/pdfengines/multi.go

@@ -13,6 +13,7 @@ import (
 
 type multiPdfEngines struct {
 	mergeEngines       []gotenberg.PdfEngine
+	splitEngines       []gotenberg.PdfEngine
 	convertEngines     []gotenberg.PdfEngine
 	readMedataEngines  []gotenberg.PdfEngine
 	writeMedataEngines []gotenberg.PdfEngine
@@ -20,12 +21,14 @@ type multiPdfEngines struct {
 
 func newMultiPdfEngines(
 	mergeEngines,
+	splitEngines,
 	convertEngines,
 	readMetadataEngines,
 	writeMedataEngines []gotenberg.PdfEngine,
 ) *multiPdfEngines {
 	return &multiPdfEngines{
 		mergeEngines:       mergeEngines,
+		splitEngines:       splitEngines,
 		convertEngines:     convertEngines,
 		readMedataEngines:  readMetadataEngines,
 		writeMedataEngines: writeMedataEngines,
@@ -57,6 +60,44 @@ func (multi *multiPdfEngines) Merge(ctx context.Context, logger *zap.Logger, inp
 	return fmt.Errorf("merge PDFs with multi PDF engines: %w", err)
 }
 
+type splitResult struct {
+	outputPaths []string
+	err         error
+}
+
+// Split tries to split at intervals a given PDF thanks to its children. If the
+// context is done, it stops and returns an error.
+func (multi *multiPdfEngines) Split(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+	var err error
+	var mu sync.Mutex // to safely append errors.
+
+	resultChan := make(chan splitResult, len(multi.splitEngines))
+
+	for _, engine := range multi.splitEngines {
+		go func(engine gotenberg.PdfEngine) {
+			outputPaths, err := engine.Split(ctx, logger, mode, inputPath, outputDirPath)
+			resultChan <- splitResult{outputPaths: outputPaths, err: err}
+		}(engine)
+	}
+
+	for range multi.splitEngines {
+		select {
+		case result := <-resultChan:
+			if result.err != nil {
+				mu.Lock()
+				err = multierr.Append(err, result.err)
+				mu.Unlock()
+			} else {
+				return result.outputPaths, nil
+			}
+		case <-ctx.Done():
+			return nil, ctx.Err()
+		}
+	}
+
+	return nil, fmt.Errorf("split PDF with multi PDF engines: %w", err)
+}
+
 // Convert converts the given PDF to a specific PDF format. thanks to its
 // children. If the context is done, it stops and returns an error.
 func (multi *multiPdfEngines) Convert(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {

pkg/modules/pdfengines/multi_test.go

@@ -19,25 +19,22 @@ func TestMultiPdfEngines_Merge(t *testing.T) {
 	}{
 		{
 			scenario: "nominal behavior",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				[]gotenberg.PdfEngine{
+				mergeEngines: []gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
 							return nil
 						},
 					},
 				},
-				nil,
+			},
-				nil,
-				nil,
-			),
 			ctx:         context.Background(),
 			expectError: false,
 		},
 		{
 			scenario: "at least one engine does not return an error",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				[]gotenberg.PdfEngine{
+				mergeEngines: []gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
 							return errors.New("foo")
@@ -49,17 +46,14 @@ func TestMultiPdfEngines_Merge(t *testing.T) {
 						},
 					},
 				},
-				nil,
+			},
-				nil,
-				nil,
-			),
 			ctx:         context.Background(),
 			expectError: false,
 		},
 		{
 			scenario: "all engines return an error",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				[]gotenberg.PdfEngine{
+				mergeEngines: []gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
 							return errors.New("foo")
@@ -71,27 +65,21 @@ func TestMultiPdfEngines_Merge(t *testing.T) {
 						},
 					},
 				},
-				nil,
+			},
-				nil,
-				nil,
-			),
 			ctx:         context.Background(),
 			expectError: true,
 		},
 		{
 			scenario: "context expired",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				[]gotenberg.PdfEngine{
+				mergeEngines: []gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
 							return nil
 						},
 					},
 				},
-				nil,
+			},
-				nil,
-				nil,
-			),
 			ctx: func() context.Context {
 				ctx, cancel := context.WithCancel(context.Background())
 				cancel()
@@ -115,6 +103,97 @@ func TestMultiPdfEngines_Merge(t *testing.T) {
 	}
 }
 
+func TestMultiPdfEngines_Split(t *testing.T) {
+	for _, tc := range []struct {
+		scenario    string
+		engine      *multiPdfEngines
+		ctx         context.Context
+		expectError bool
+	}{
+		{
+			scenario: "nominal behavior",
+			engine: &multiPdfEngines{
+				splitEngines: []gotenberg.PdfEngine{
+					&gotenberg.PdfEngineMock{
+						SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+							return nil, nil
+						},
+					},
+				},
+			},
+			ctx: context.Background(),
+		},
+		{
+			scenario: "at least one engine does not return an error",
+			engine: &multiPdfEngines{
+				splitEngines: []gotenberg.PdfEngine{
+					&gotenberg.PdfEngineMock{
+						SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+							return nil, errors.New("foo")
+						},
+					},
+					&gotenberg.PdfEngineMock{
+						SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+							return nil, nil
+						},
+					},
+				},
+			},
+			ctx: context.Background(),
+		},
+		{
+			scenario: "all engines return an error",
+			engine: &multiPdfEngines{
+				splitEngines: []gotenberg.PdfEngine{
+					&gotenberg.PdfEngineMock{
+						SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+							return nil, errors.New("foo")
+						},
+					},
+					&gotenberg.PdfEngineMock{
+						SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+							return nil, errors.New("foo")
+						},
+					},
+				},
+			},
+			ctx:         context.Background(),
+			expectError: true,
+		},
+		{
+			scenario: "context expired",
+			engine: &multiPdfEngines{
+				splitEngines: []gotenberg.PdfEngine{
+					&gotenberg.PdfEngineMock{
+						SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+							return nil, nil
+						},
+					},
+				},
+			},
+			ctx: func() context.Context {
+				ctx, cancel := context.WithCancel(context.Background())
+				cancel()
+
+				return ctx
+			}(),
+			expectError: true,
+		},
+	} {
+		t.Run(tc.scenario, func(t *testing.T) {
+			_, err := tc.engine.Split(tc.ctx, zap.NewNop(), gotenberg.SplitMode{}, "", "")
+
+			if !tc.expectError && err != nil {
+				t.Fatalf("expected no error but got: %v", err)
+			}
+
+			if tc.expectError && err == nil {
+				t.Fatal("expected error but got none")
+			}
+		})
+	}
+}
+
 func TestMultiPdfEngines_Convert(t *testing.T) {
 	for _, tc := range []struct {
 		scenario    string
@@ -124,25 +203,21 @@ func TestMultiPdfEngines_Convert(t *testing.T) {
 	}{
 		{
 			scenario: "nominal behavior",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				nil,
+				convertEngines: []gotenberg.PdfEngine{
-				[]gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
 							return nil
 						},
 					},
 				},
-				nil,
+			},
-				nil,
-			),
 			ctx: context.Background(),
 		},
 		{
 			scenario: "at least one engine does not return an error",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				nil,
+				convertEngines: []gotenberg.PdfEngine{
-				[]gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
 							return errors.New("foo")
@@ -154,16 +229,13 @@ func TestMultiPdfEngines_Convert(t *testing.T) {
 						},
 					},
 				},
-				nil,
+			},
-				nil,
-			),
 			ctx: context.Background(),
 		},
 		{
 			scenario: "all engines return an error",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				nil,
+				convertEngines: []gotenberg.PdfEngine{
-				[]gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
 							return errors.New("foo")
@@ -175,26 +247,21 @@ func TestMultiPdfEngines_Convert(t *testing.T) {
 						},
 					},
 				},
-				nil,
+			},
-				nil,
-			),
 			ctx:         context.Background(),
 			expectError: true,
 		},
 		{
 			scenario: "context expired",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				nil,
+				convertEngines: []gotenberg.PdfEngine{
-				[]gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
 							return nil
 						},
 					},
 				},
-				nil,
+			},
-				nil,
-			),
 			ctx: func() context.Context {
 				ctx, cancel := context.WithCancel(context.Background())
 				cancel()
@@ -227,26 +294,21 @@ func TestMultiPdfEngines_ReadMetadata(t *testing.T) {
 	}{
 		{
 			scenario: "nominal behavior",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				nil,
+				readMedataEngines: []gotenberg.PdfEngine{
-				nil,
-				[]gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						ReadMetadataMock: func(ctx context.Context, logger *zap.Logger, inputPath string) (map[string]interface{}, error) {
 							return make(map[string]interface{}), nil
 						},
 					},
 				},
-				nil,
+			},
-			),
 			ctx: context.Background(),
 		},
 		{
 			scenario: "at least one engine does not return an error",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				nil,
+				readMedataEngines: []gotenberg.PdfEngine{
-				nil,
-				[]gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						ReadMetadataMock: func(ctx context.Context, logger *zap.Logger, inputPath string) (map[string]interface{}, error) {
 							return nil, errors.New("foo")
@@ -258,16 +320,13 @@ func TestMultiPdfEngines_ReadMetadata(t *testing.T) {
 						},
 					},
 				},
-				nil,
+			},
-			),
 			ctx: context.Background(),
 		},
 		{
 			scenario: "all engines return an error",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				nil,
+				readMedataEngines: []gotenberg.PdfEngine{
-				nil,
-				[]gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						ReadMetadataMock: func(ctx context.Context, logger *zap.Logger, inputPath string) (map[string]interface{}, error) {
 							return nil, errors.New("foo")
@@ -279,25 +338,21 @@ func TestMultiPdfEngines_ReadMetadata(t *testing.T) {
 						},
 					},
 				},
-				nil,
+			},
-			),
 			ctx:         context.Background(),
 			expectError: true,
 		},
 		{
 			scenario: "context expired",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				nil,
+				readMedataEngines: []gotenberg.PdfEngine{
-				nil,
-				[]gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						ReadMetadataMock: func(ctx context.Context, logger *zap.Logger, inputPath string) (map[string]interface{}, error) {
 							return make(map[string]interface{}), nil
 						},
 					},
 				},
-				nil,
+			},
-			),
 			ctx: func() context.Context {
 				ctx, cancel := context.WithCancel(context.Background())
 				cancel()
@@ -330,27 +385,21 @@ func TestMultiPdfEngines_WriteMetadata(t *testing.T) {
 	}{
 		{
 			scenario: "nominal behavior",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				nil,
+				writeMedataEngines: []gotenberg.PdfEngine{
-				nil,
-				nil,
-				[]gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, metadata map[string]interface{}, inputPath string) error {
 							return nil
 						},
 					},
 				},
-			),
+			},
 			ctx: context.Background(),
 		},
 		{
 			scenario: "at least one engine does not return an error",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				nil,
+				writeMedataEngines: []gotenberg.PdfEngine{
-				nil,
-				nil,
-				[]gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, metadata map[string]interface{}, inputPath string) error {
 							return errors.New("foo")
@@ -362,16 +411,13 @@ func TestMultiPdfEngines_WriteMetadata(t *testing.T) {
 						},
 					},
 				},
-			),
+			},
 			ctx: context.Background(),
 		},
 		{
 			scenario: "all engines return an error",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				nil,
+				writeMedataEngines: []gotenberg.PdfEngine{
-				nil,
-				nil,
-				[]gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, metadata map[string]interface{}, inputPath string) error {
 							return errors.New("foo")
@@ -383,24 +429,21 @@ func TestMultiPdfEngines_WriteMetadata(t *testing.T) {
 						},
 					},
 				},
-			),
+			},
 			ctx:         context.Background(),
 			expectError: true,
 		},
 		{
 			scenario: "context expired",
-			engine: newMultiPdfEngines(
+			engine: &multiPdfEngines{
-				nil,
+				writeMedataEngines: []gotenberg.PdfEngine{
-				nil,
-				nil,
-				[]gotenberg.PdfEngine{
 					&gotenberg.PdfEngineMock{
 						WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, metadata map[string]interface{}, inputPath string) error {
 							return nil
 						},
 					},
 				},
-			),
+			},
 			ctx: func() context.Context {
 				ctx, cancel := context.WithCancel(context.Background())
 				cancel()

pkg/modules/pdfengines/pdfengines.go

@@ -28,6 +28,7 @@ func init() {
 // enabled.
 type PdfEngines struct {
 	mergeNames        []string
+	splitNames        []string
 	convertNames      []string
 	readMetadataNames []string
 	writeMedataNames  []string
@@ -42,6 +43,7 @@ func (mod *PdfEngines) Descriptor() gotenberg.ModuleDescriptor {
 		FlagSet: func() *flag.FlagSet {
 			fs := flag.NewFlagSet("pdfengines", flag.ExitOnError)
 			fs.StringSlice("pdfengines-merge-engines", []string{"qpdf", "pdfcpu", "pdftk"}, "Set the PDF engines and their order for the merge feature - empty means all")
+			fs.StringSlice("pdfengines-split-engines", []string{"pdfcpu", "qpdf", "pdftk"}, "Set the PDF engines and their order for the split feature - empty means all")
 			fs.StringSlice("pdfengines-convert-engines", []string{"libreoffice-pdfengine"}, "Set the PDF engines and their order for the convert feature - empty means all")
 			fs.StringSlice("pdfengines-read-metadata-engines", []string{"exiftool"}, "Set the PDF engines and their order for the read metadata feature - empty means all")
 			fs.StringSlice("pdfengines-write-metadata-engines", []string{"exiftool"}, "Set the PDF engines and their order for the write metadata feature - empty means all")
@@ -64,6 +66,7 @@ func (mod *PdfEngines) Descriptor() gotenberg.ModuleDescriptor {
 func (mod *PdfEngines) Provision(ctx *gotenberg.Context) error {
 	flags := ctx.ParsedFlags()
 	mergeNames := flags.MustStringSlice("pdfengines-merge-engines")
+	splitNames := flags.MustStringSlice("pdfengines-split-engines")
 	convertNames := flags.MustStringSlice("pdfengines-convert-engines")
 	readMetadataNames := flags.MustStringSlice("pdfengines-read-metadata-engines")
 	writeMetadataNames := flags.MustStringSlice("pdfengines-write-metadata-engines")
@@ -98,6 +101,11 @@ func (mod *PdfEngines) Provision(ctx *gotenberg.Context) error {
 		mod.mergeNames = mergeNames
 	}
 
+	mod.splitNames = defaultNames
+	if len(splitNames) > 0 {
+		mod.splitNames = splitNames
+	}
+
 	mod.convertNames = defaultNames
 	if len(convertNames) > 0 {
 		mod.convertNames = convertNames
@@ -161,6 +169,7 @@ func (mod *PdfEngines) Validate() error {
 	}
 
 	findNonExistingEngines(mod.mergeNames)
+	findNonExistingEngines(mod.splitNames)
 	findNonExistingEngines(mod.convertNames)
 	findNonExistingEngines(mod.readMetadataNames)
 	findNonExistingEngines(mod.writeMedataNames)
@@ -177,6 +186,7 @@ func (mod *PdfEngines) Validate() error {
 func (mod *PdfEngines) SystemMessages() []string {
 	return []string{
 		fmt.Sprintf("merge engines - %s", strings.Join(mod.mergeNames[:], " ")),
+		fmt.Sprintf("split engines - %s", strings.Join(mod.splitNames[:], " ")),
 		fmt.Sprintf("convert engines - %s", strings.Join(mod.convertNames[:], " ")),
 		fmt.Sprintf("read metadata engines - %s", strings.Join(mod.readMetadataNames[:], " ")),
 		fmt.Sprintf("write medata engines - %s", strings.Join(mod.writeMedataNames[:], " ")),
@@ -201,6 +211,7 @@ func (mod *PdfEngines) PdfEngine() (gotenberg.PdfEngine, error) {
 
 	return newMultiPdfEngines(
 		engines(mod.mergeNames),
+		engines(mod.splitNames),
 		engines(mod.convertNames),
 		engines(mod.readMetadataNames),
 		engines(mod.writeMedataNames),
@@ -222,6 +233,7 @@ func (mod *PdfEngines) Routes() ([]api.Route, error) {
 
 	return []api.Route{
 		mergeRoute(engine),
+		splitRoute(engine),
 		convertRoute(engine),
 		readMetadataRoute(engine),
 		writeMetadataRoute(engine),

pkg/modules/pdfengines/pdfengines_test.go

@@ -26,6 +26,7 @@ func TestPdfEngines_Provision(t *testing.T) {
 		scenario                        string
 		ctx                             *gotenberg.Context
 		expectedMergePdfEngines         []string
+		expectedSplitPdfEngines         []string
 		expectedConvertPdfEngines       []string
 		expectedReadMetadataPdfEngines  []string
 		expectedWriteMetadataPdfEngines []string
@@ -66,6 +67,7 @@ func TestPdfEngines_Provision(t *testing.T) {
 				)
 			}(),
 			expectedMergePdfEngines:         []string{"qpdf", "pdfcpu", "pdftk"},
+			expectedSplitPdfEngines:         []string{"pdfcpu", "qpdf", "pdftk"},
 			expectedConvertPdfEngines:       []string{"libreoffice-pdfengine"},
 			expectedReadMetadataPdfEngines:  []string{"exiftool"},
 			expectedWriteMetadataPdfEngines: []string{"exiftool"},
@@ -107,7 +109,7 @@ func TestPdfEngines_Provision(t *testing.T) {
 				}
 
 				fs := new(PdfEngines).Descriptor().FlagSet
-				err := fs.Parse([]string{"--pdfengines-merge-engines=b", "--pdfengines-convert-engines=b", "--pdfengines-read-metadata-engines=a", "--pdfengines-write-metadata-engines=a"})
+				err := fs.Parse([]string{"--pdfengines-merge-engines=b", "--pdfengines-split-engines=a", "--pdfengines-convert-engines=b", "--pdfengines-read-metadata-engines=a", "--pdfengines-write-metadata-engines=a"})
 				if err != nil {
 					t.Fatalf("expected no error but got: %v", err)
 				}
@@ -125,6 +127,7 @@ func TestPdfEngines_Provision(t *testing.T) {
 			}(),
 
 			expectedMergePdfEngines:         []string{"b"},
+			expectedSplitPdfEngines:         []string{"a"},
 			expectedConvertPdfEngines:       []string{"b"},
 			expectedReadMetadataPdfEngines:  []string{"a"},
 			expectedWriteMetadataPdfEngines: []string{"a"},
@@ -200,6 +203,12 @@ func TestPdfEngines_Provision(t *testing.T) {
 				}
 			}
 
+			for index, name := range mod.splitNames {
+				if name != tc.expectedSplitPdfEngines[index] {
+					t.Fatalf("expected split name at index %d to be %s, but got: %s", index, name, tc.expectedSplitPdfEngines[index])
+				}
+			}
+
 			for index, name := range mod.convertNames {
 				if name != tc.expectedConvertPdfEngines[index] {
 					t.Fatalf("expected convert name at index %d to be %s, but got: %s", index, name, tc.expectedConvertPdfEngines[index])
@@ -303,17 +312,19 @@ func TestPdfEngines_Validate(t *testing.T) {
 func TestPdfEngines_SystemMessages(t *testing.T) {
 	mod := new(PdfEngines)
 	mod.mergeNames = []string{"foo", "bar"}
+	mod.splitNames = []string{"foo", "bar"}
 	mod.convertNames = []string{"foo", "bar"}
 	mod.readMetadataNames = []string{"foo", "bar"}
 	mod.writeMedataNames = []string{"foo", "bar"}
 
 	messages := mod.SystemMessages()
-	if len(messages) != 4 {
+	if len(messages) != 5 {
 		t.Errorf("expected one and only one message, but got %d", len(messages))
 	}
 
 	expect := []string{
 		fmt.Sprintf("merge engines - %s", strings.Join(mod.mergeNames[:], " ")),
+		fmt.Sprintf("split engines - %s", strings.Join(mod.splitNames[:], " ")),
 		fmt.Sprintf("convert engines - %s", strings.Join(mod.convertNames[:], " ")),
 		fmt.Sprintf("read metadata engines - %s", strings.Join(mod.readMetadataNames[:], " ")),
 		fmt.Sprintf("write medata engines - %s", strings.Join(mod.writeMedataNames[:], " ")),
@@ -329,6 +340,7 @@ func TestPdfEngines_SystemMessages(t *testing.T) {
 func TestPdfEngines_PdfEngine(t *testing.T) {
 	mod := PdfEngines{
 		mergeNames:        []string{"foo", "bar"},
+		splitNames:        []string{"foo", "bar"},
 		convertNames:      []string{"foo", "bar"},
 		readMetadataNames: []string{"foo", "bar"},
 		writeMedataNames:  []string{"foo", "bar"},
@@ -370,7 +382,7 @@ func TestPdfEngines_Routes(t *testing.T) {
 	}{
 		{
 			scenario:      "routes not disabled",
-			expectRoutes:  4,
+			expectRoutes:  5,
 			disableRoutes: false,
 		},
 		{

pkg/modules/pdfengines/routes.go

@@ -6,6 +6,8 @@ import (
 	"fmt"
 	"net/http"
 	"path/filepath"
+	"strconv"
+	"strings"
 
 	"github.com/labstack/echo/v4"
 
@@ -13,6 +15,63 @@ import (
 	"github.com/gotenberg/gotenberg/v8/pkg/modules/api"
 )
 
+// FormDataPdfSplitMode creates a [gotenberg.SplitMode] from the form data.
+func FormDataPdfSplitMode(form *api.FormData, mandatory bool) gotenberg.SplitMode {
+	var (
+		mode string
+		span string
+	)
+
+	splitModeFunc := func(value string) error {
+		if value != "" && value != gotenberg.SplitModeIntervals && value != gotenberg.SplitModePages {
+			return fmt.Errorf("wrong value, expected either '%s' or '%s'", gotenberg.SplitModeIntervals, gotenberg.SplitModePages)
+		}
+		mode = value
+		return nil
+	}
+
+	splitSpanFunc := func(value string) error {
+		value = strings.Join(strings.Fields(value), "")
+
+		if mode == gotenberg.SplitModeIntervals {
+			intValue, err := strconv.Atoi(value)
+			if err != nil {
+				return err
+			}
+			if intValue < 1 {
+				return errors.New("value is inferior to 1")
+			}
+		}
+
+		span = value
+
+		return nil
+	}
+
+	if mandatory {
+		form.
+			MandatoryCustom("splitMode", func(value string) error {
+				return splitModeFunc(value)
+			}).
+			MandatoryCustom("splitSpan", func(value string) error {
+				return splitSpanFunc(value)
+			})
+	} else {
+		form.
+			Custom("splitMode", func(value string) error {
+				return splitModeFunc(value)
+			}).
+			Custom("splitSpan", func(value string) error {
+				return splitSpanFunc(value)
+			})
+	}
+
+	return gotenberg.SplitMode{
+		Mode: mode,
+		Span: span,
+	}
+}
+
 // FormDataPdfFormats creates [gotenberg.PdfFormats] from the form data.
 // Fallback to default value if the considered key is not present.
 func FormDataPdfFormats(form *api.FormData) gotenberg.PdfFormats {
@@ -32,9 +91,10 @@ func FormDataPdfFormats(form *api.FormData) gotenberg.PdfFormats {
 }
 
 // FormDataPdfMetadata creates metadata object from the form data.
-func FormDataPdfMetadata(form *api.FormData) map[string]interface{} {
+func FormDataPdfMetadata(form *api.FormData, mandatory bool) map[string]interface{} {
 	var metadata map[string]interface{}
-	form.Custom("metadata", func(value string) error {
+
+	metadataFunc := func(value string) error {
 		if len(value) > 0 {
 			err := json.Unmarshal([]byte(value), &metadata)
 			if err != nil {
@@ -42,7 +102,18 @@ func FormDataPdfMetadata(form *api.FormData) map[string]interface{} {
 			}
 		}
 		return nil
-	})
+	}
+
+	if mandatory {
+		form.MandatoryCustom("metadata", func(value string) error {
+			return metadataFunc(value)
+		})
+	} else {
+		form.Custom("metadata", func(value string) error {
+			return metadataFunc(value)
+		})
+	}
+
 	return metadata
 }
 
@@ -66,6 +137,52 @@ func MergeStub(ctx *api.Context, engine gotenberg.PdfEngine, inputPaths []string
 	return outputPath, nil
 }
 
+// SplitPdfStub splits a list of PDF files based on [gotenberg.SplitMode].
+// It returns a list of output paths or the list of provided input paths if no
+// split requested.
+func SplitPdfStub(ctx *api.Context, engine gotenberg.PdfEngine, mode gotenberg.SplitMode, inputPaths []string) ([]string, error) {
+	zeroValued := gotenberg.SplitMode{}
+	if mode == zeroValued {
+		return inputPaths, nil
+	}
+
+	var outputPaths []string
+	for _, inputPath := range inputPaths {
+		inputPathNoExt := inputPath[:len(inputPath)-len(filepath.Ext(inputPath))]
+		filenameNoExt := filepath.Base(inputPathNoExt)
+		outputDirPath, err := ctx.CreateSubDirectory(strings.ReplaceAll(filepath.Base(filenameNoExt), ".", "_"))
+		if err != nil {
+			return nil, fmt.Errorf("create subdirectory from input path: %w", err)
+		}
+
+		paths, err := engine.Split(ctx, ctx.Log(), mode, inputPath, outputDirPath)
+		if err != nil {
+			return nil, fmt.Errorf("split PDF '%s': %w", inputPath, err)
+		}
+
+		if mode.Mode == gotenberg.SplitModePages {
+			return paths, nil
+		}
+
+		// Keep the original filename.
+		for i, path := range paths {
+			newPath := fmt.Sprintf(
+				"%s/%s_%d.pdf",
+				outputDirPath, filenameNoExt, i,
+			)
+
+			err = ctx.Rename(path, newPath)
+			if err != nil {
+				return nil, fmt.Errorf("rename path: %w", err)
+			}
+
+			outputPaths = append(outputPaths, newPath)
+		}
+	}
+
+	return outputPaths, nil
+}
+
 // ConvertStub transforms a given PDF to the specified formats defined in
 // [gotenberg.PdfFormats]. If no format, it does nothing and returns the input
 // paths.
@@ -116,7 +233,7 @@ func mergeRoute(engine gotenberg.PdfEngine) api.Route {
 
 			form := ctx.FormData()
 			pdfFormats := FormDataPdfFormats(form)
-			metadata := FormDataPdfMetadata(form)
+			metadata := FormDataPdfMetadata(form, false)
 
 			var inputPaths []string
 			err := form.
@@ -152,6 +269,65 @@ func mergeRoute(engine gotenberg.PdfEngine) api.Route {
 	}
 }
 
+// splitRoute returns an [api.Route] which can extract pages from a PDF.
+func splitRoute(engine gotenberg.PdfEngine) api.Route {
+	return api.Route{
+		Method:      http.MethodPost,
+		Path:        "/forms/pdfengines/split",
+		IsMultipart: true,
+		Handler: func(c echo.Context) error {
+			ctx := c.Get("context").(*api.Context)
+
+			form := ctx.FormData()
+			mode := FormDataPdfSplitMode(form, true)
+			pdfFormats := FormDataPdfFormats(form)
+			metadata := FormDataPdfMetadata(form, false)
+
+			var inputPaths []string
+			err := form.
+				MandatoryPaths([]string{".pdf"}, &inputPaths).
+				Validate()
+			if err != nil {
+				return fmt.Errorf("validate form data: %w", err)
+			}
+
+			outputPaths, err := SplitPdfStub(ctx, engine, mode, inputPaths)
+			if err != nil {
+				return fmt.Errorf("split PDFs: %w", err)
+			}
+
+			convertOutputPaths, err := ConvertStub(ctx, engine, pdfFormats, outputPaths)
+			if err != nil {
+				return fmt.Errorf("convert PDFs: %w", err)
+			}
+
+			err = WriteMetadataStub(ctx, engine, metadata, convertOutputPaths)
+			if err != nil {
+				return fmt.Errorf("write metadata: %w", err)
+			}
+
+			zeroValuedSplitMode := gotenberg.SplitMode{}
+			zeroValuedPdfFormats := gotenberg.PdfFormats{}
+			if mode != zeroValuedSplitMode && pdfFormats != zeroValuedPdfFormats {
+				// Rename the files to keep the split naming.
+				for i, convertOutputPath := range convertOutputPaths {
+					err = ctx.Rename(convertOutputPath, outputPaths[i])
+					if err != nil {
+						return fmt.Errorf("rename output path: %w", err)
+					}
+				}
+			}
+
+			err = ctx.AddOutputPaths(outputPaths...)
+			if err != nil {
+				return fmt.Errorf("add output paths: %w", err)
+			}
+
+			return nil
+		},
+	}
+}
+
 // convertRoute returns an [api.Route] which can convert PDFs to a specific ODF
 // format.
 func convertRoute(engine gotenberg.PdfEngine) api.Route {
@@ -258,25 +434,12 @@ func writeMetadataRoute(engine gotenberg.PdfEngine) api.Route {
 		Handler: func(c echo.Context) error {
 			ctx := c.Get("context").(*api.Context)
 
-			var (
+			form := ctx.FormData()
-				inputPaths []string
+			metadata := FormDataPdfMetadata(form, true)
-				metadata   map[string]interface{}
-			)
 
-			err := ctx.FormData().
+			var inputPaths []string
+			err := form.
 				MandatoryPaths([]string{".pdf"}, &inputPaths).
-				MandatoryCustom("metadata", func(value string) error {
-					if len(value) > 0 {
-						err := json.Unmarshal([]byte(value), &metadata)
-						if err != nil {
-							return fmt.Errorf("unmarshal metadata: %w", err)
-						}
-					}
-					if len(metadata) == 0 {
-						return errors.New("no metadata")
-					}
-					return nil
-				}).
 				Validate()
 			if err != nil {
 				return fmt.Errorf("validate form data: %w", err)

pkg/modules/pdfengines/routes_test.go

@@ -3,13 +3,16 @@ package pdfengines
 import (
 	"context"
 	"errors"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
+	"os"
 	"reflect"
 	"slices"
 	"strings"
 	"testing"
 
+	"github.com/google/uuid"
 	"github.com/labstack/echo/v4"
 	"go.uber.org/zap"
 
@@ -17,6 +20,156 @@ import (
 	"github.com/gotenberg/gotenberg/v8/pkg/modules/api"
 )
 
+func TestFormDataPdfSplitMode(t *testing.T) {
+	for _, tc := range []struct {
+		scenario              string
+		ctx                   *api.ContextMock
+		mandatory             bool
+		expectedSplitMode     gotenberg.SplitMode
+		expectValidationError bool
+	}{
+		{
+			scenario:              "no custom form fields",
+			ctx:                   &api.ContextMock{Context: new(api.Context)},
+			mandatory:             false,
+			expectedSplitMode:     gotenberg.SplitMode{},
+			expectValidationError: false,
+		},
+		{
+			scenario:              "no custom form fields (mandatory)",
+			ctx:                   &api.ContextMock{Context: new(api.Context)},
+			mandatory:             true,
+			expectedSplitMode:     gotenberg.SplitMode{},
+			expectValidationError: true,
+		},
+		{
+			scenario: "invalid splitMode",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						"foo",
+					},
+				})
+				return ctx
+			}(),
+			mandatory:             false,
+			expectedSplitMode:     gotenberg.SplitMode{},
+			expectValidationError: true,
+		},
+		{
+			scenario: "invalid splitSpan (intervals)",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						"intervals",
+					},
+					"splitSpan": {
+						"1-2",
+					},
+				})
+				return ctx
+			}(),
+			mandatory:             false,
+			expectedSplitMode:     gotenberg.SplitMode{Mode: gotenberg.SplitModeIntervals},
+			expectValidationError: true,
+		},
+		{
+			scenario: "splitSpan inferior to 1 (intervals)",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						"intervals",
+					},
+					"splitSpan": {
+						"-1",
+					},
+				})
+				return ctx
+			}(),
+			mandatory:             false,
+			expectedSplitMode:     gotenberg.SplitMode{Mode: gotenberg.SplitModeIntervals},
+			expectValidationError: true,
+		},
+		{
+			scenario: "valid form fields (intervals)",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						"intervals",
+					},
+					"splitSpan": {
+						"1",
+					},
+				})
+				return ctx
+			}(),
+			mandatory:             false,
+			expectedSplitMode:     gotenberg.SplitMode{Mode: gotenberg.SplitModeIntervals, Span: "1"},
+			expectValidationError: false,
+		},
+		{
+			scenario: "valid form fields (pages)",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						"pages",
+					},
+					"splitSpan": {
+						"1-2",
+					},
+				})
+				return ctx
+			}(),
+			mandatory:             false,
+			expectedSplitMode:     gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1-2"},
+			expectValidationError: false,
+		},
+		{
+			scenario: "valid form fields (mandatory)",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						"intervals",
+					},
+					"splitSpan": {
+						"1",
+					},
+				})
+				return ctx
+			}(),
+			mandatory:             true,
+			expectedSplitMode:     gotenberg.SplitMode{Mode: gotenberg.SplitModeIntervals, Span: "1"},
+			expectValidationError: false,
+		},
+	} {
+		t.Run(tc.scenario, func(t *testing.T) {
+			tc.ctx.SetLogger(zap.NewNop())
+			form := tc.ctx.Context.FormData()
+			actual := FormDataPdfSplitMode(form, tc.mandatory)
+
+			if !reflect.DeepEqual(actual, tc.expectedSplitMode) {
+				t.Fatalf("expected %+v but got: %+v", tc.expectedSplitMode, actual)
+			}
+
+			err := form.Validate()
+
+			if tc.expectValidationError && err == nil {
+				t.Fatal("expected validation error but got none", err)
+			}
+
+			if !tc.expectValidationError && err != nil {
+				t.Fatalf("expected no validation error but got: %v", err)
+			}
+		})
+	}
+}
+
 func TestFormDataPdfFormats(t *testing.T) {
 	for _, tc := range []struct {
 		scenario              string
@@ -74,15 +227,24 @@ func TestFormDataPdfMetadata(t *testing.T) {
 	for _, tc := range []struct {
 		scenario              string
 		ctx                   *api.ContextMock
+		mandatory             bool
 		expectedMetadata      map[string]interface{}
 		expectValidationError bool
 	}{
 		{
 			scenario:              "no metadata form field",
 			ctx:                   &api.ContextMock{Context: new(api.Context)},
+			mandatory:             false,
 			expectedMetadata:      nil,
 			expectValidationError: false,
 		},
+		{
+			scenario:              "no metadata form field (mandatory)",
+			ctx:                   &api.ContextMock{Context: new(api.Context)},
+			mandatory:             true,
+			expectedMetadata:      nil,
+			expectValidationError: true,
+		},
 		{
 			scenario: "invalid metadata form field",
 			ctx: func() *api.ContextMock {
@@ -94,6 +256,7 @@ func TestFormDataPdfMetadata(t *testing.T) {
 				})
 				return ctx
 			}(),
+			mandatory:             false,
 			expectedMetadata:      nil,
 			expectValidationError: true,
 		},
@@ -108,6 +271,7 @@ func TestFormDataPdfMetadata(t *testing.T) {
 				})
 				return ctx
 			}(),
+			mandatory: false,
 			expectedMetadata: map[string]interface{}{
 				"foo": "bar",
 			},
@@ -117,7 +281,7 @@ func TestFormDataPdfMetadata(t *testing.T) {
 		t.Run(tc.scenario, func(t *testing.T) {
 			tc.ctx.SetLogger(zap.NewNop())
 			form := tc.ctx.Context.FormData()
-			actual := FormDataPdfMetadata(form)
+			actual := FormDataPdfMetadata(form, tc.mandatory)
 
 			if !reflect.DeepEqual(actual, tc.expectedMetadata) {
 				t.Fatalf("expected %+v but got: %+v", tc.expectedMetadata, actual)
@@ -193,6 +357,128 @@ func TestMergeStub(t *testing.T) {
 	}
 }
 
+func TestSplitPdfStub(t *testing.T) {
+	for _, tc := range []struct {
+		scenario    string
+		ctx         *api.ContextMock
+		engine      gotenberg.PdfEngine
+		mode        gotenberg.SplitMode
+		expectError bool
+	}{
+		{
+			scenario:    "no split mode",
+			mode:        gotenberg.SplitMode{},
+			ctx:         &api.ContextMock{Context: new(api.Context)},
+			expectError: false,
+		},
+		{
+			scenario: "cannot create subdirectory",
+			mode:     gotenberg.SplitMode{Mode: gotenberg.SplitModeIntervals, Span: "1"},
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetMkdirAll(&gotenberg.MkdirAllMock{MkdirAllMock: func(path string, perm os.FileMode) error {
+					return errors.New("cannot create subdirectory")
+				}})
+				return ctx
+			}(),
+			expectError: true,
+		},
+		{
+			scenario: "split error",
+			mode:     gotenberg.SplitMode{Mode: gotenberg.SplitModeIntervals, Span: "1"},
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetMkdirAll(&gotenberg.MkdirAllMock{MkdirAllMock: func(path string, perm os.FileMode) error {
+					return nil
+				}})
+				return ctx
+			}(),
+			engine: &gotenberg.PdfEngineMock{
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					return nil, errors.New("foo")
+				},
+			},
+			expectError: true,
+		},
+		{
+			scenario: "rename error",
+			mode:     gotenberg.SplitMode{Mode: gotenberg.SplitModeIntervals, Span: "1"},
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetMkdirAll(&gotenberg.MkdirAllMock{MkdirAllMock: func(path string, perm os.FileMode) error {
+					return nil
+				}})
+				ctx.SetPathRename(&gotenberg.PathRenameMock{RenameMock: func(oldpath, newpath string) error {
+					return errors.New("cannot rename")
+				}})
+				return ctx
+			}(),
+			engine: &gotenberg.PdfEngineMock{
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					return []string{inputPath}, nil
+				},
+			},
+			expectError: true,
+		},
+		{
+			scenario: "success (intervals)",
+			mode:     gotenberg.SplitMode{Mode: gotenberg.SplitModeIntervals, Span: "1"},
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetMkdirAll(&gotenberg.MkdirAllMock{MkdirAllMock: func(path string, perm os.FileMode) error {
+					return nil
+				}})
+				ctx.SetPathRename(&gotenberg.PathRenameMock{RenameMock: func(oldpath, newpath string) error {
+					return nil
+				}})
+				return ctx
+			}(),
+			engine: &gotenberg.PdfEngineMock{
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					return []string{inputPath}, nil
+				},
+			},
+			expectError: false,
+		},
+		{
+			scenario: "success (pages)",
+			mode:     gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1-2"},
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetMkdirAll(&gotenberg.MkdirAllMock{MkdirAllMock: func(path string, perm os.FileMode) error {
+					return nil
+				}})
+				ctx.SetPathRename(&gotenberg.PathRenameMock{RenameMock: func(oldpath, newpath string) error {
+					return nil
+				}})
+				return ctx
+			}(),
+			engine: &gotenberg.PdfEngineMock{
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					return []string{inputPath}, nil
+				},
+			},
+			expectError: false,
+		},
+	} {
+		t.Run(tc.scenario, func(t *testing.T) {
+			dirPath := fmt.Sprintf("%s/%s", os.TempDir(), uuid.NewString())
+			tc.ctx.SetDirPath(dirPath)
+			tc.ctx.SetLogger(zap.NewNop())
+
+			_, err := SplitPdfStub(tc.ctx.Context, tc.engine, tc.mode, []string{"my.pdf", "my2.pdf"})
+
+			if tc.expectError && err == nil {
+				t.Fatal("expected error but got none", err)
+			}
+
+			if !tc.expectError && err != nil {
+				t.Fatalf("expected no error but got: %v", err)
+			}
+		})
+	}
+}
+
 func TestConvertStub(t *testing.T) {
 	for _, tc := range []struct {
 		scenario    string
@@ -503,6 +789,287 @@ func TestMergeHandler(t *testing.T) {
 	}
 }
 
+func TestSplitHandler(t *testing.T) {
+	for _, tc := range []struct {
+		scenario               string
+		ctx                    *api.ContextMock
+		engine                 gotenberg.PdfEngine
+		expectError            bool
+		expectHttpError        bool
+		expectHttpStatus       int
+		expectOutputPathsCount int
+		expectOutputPaths      []string
+	}{
+		{
+			scenario:               "missing at least one mandatory file",
+			ctx:                    &api.ContextMock{Context: new(api.Context)},
+			expectError:            true,
+			expectHttpError:        true,
+			expectHttpStatus:       http.StatusBadRequest,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario: "no split mode",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"file.pdf": "/file.pdf",
+				})
+				return ctx
+			}(),
+			expectError:            true,
+			expectHttpError:        true,
+			expectHttpStatus:       http.StatusBadRequest,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario: "error from PDF engine (split)",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"file.pdf": "/file.pdf",
+				})
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						gotenberg.SplitModeIntervals,
+					},
+					"splitSpan": {
+						"1",
+					},
+				})
+				return ctx
+			}(),
+			engine: &gotenberg.PdfEngineMock{
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					return nil, errors.New("foo")
+				},
+			},
+			expectError:            true,
+			expectHttpError:        false,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario: "error from PDF engine (convert)",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"file.pdf": "/file.pdf",
+				})
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						gotenberg.SplitModeIntervals,
+					},
+					"splitSpan": {
+						"1",
+					},
+					"pdfua": {
+						"true",
+					},
+				})
+				return ctx
+			}(),
+			engine: &gotenberg.PdfEngineMock{
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					return []string{inputPath}, nil
+				},
+				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
+					return errors.New("foo")
+				},
+			},
+			expectError:            true,
+			expectHttpError:        false,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario: "error from PDF engine (write metadata)",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"file.pdf": "/file.pdf",
+				})
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						gotenberg.SplitModeIntervals,
+					},
+					"splitSpan": {
+						"1",
+					},
+					"metadata": {
+						"{\"Creator\": \"foo\", \"Producer\": \"bar\" }",
+					},
+				})
+				return ctx
+			}(),
+			engine: &gotenberg.PdfEngineMock{
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					return []string{inputPath}, nil
+				},
+				WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, metadata map[string]interface{}, inputPath string) error {
+					return errors.New("foo")
+				},
+			},
+			expectError:            true,
+			expectHttpError:        false,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario: "cannot add output paths",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"file.pdf": "/file.pdf",
+				})
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						gotenberg.SplitModeIntervals,
+					},
+					"splitSpan": {
+						"1",
+					},
+				})
+				ctx.SetCancelled(true)
+				return ctx
+			}(),
+			engine: &gotenberg.PdfEngineMock{
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					return []string{inputPath}, nil
+				},
+			},
+			expectError:            true,
+			expectHttpError:        false,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario: "success (intervals)",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"file.pdf": "/file.pdf",
+				})
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						gotenberg.SplitModeIntervals,
+					},
+					"splitSpan": {
+						"1",
+					},
+					"pdfua": {
+						"true",
+					},
+					"metadata": {
+						"{\"Creator\": \"foo\", \"Producer\": \"bar\" }",
+					},
+				})
+				return ctx
+			}(),
+			engine: &gotenberg.PdfEngineMock{
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					return []string{"file_split_1.pdf", "file_split_2.pdf"}, nil
+				},
+				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
+					return nil
+				},
+				WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, metadata map[string]interface{}, inputPath string) error {
+					return nil
+				},
+			},
+			expectError:            false,
+			expectHttpError:        false,
+			expectOutputPathsCount: 2,
+			expectOutputPaths:      []string{"/file/file_0.pdf", "/file/file_1.pdf"},
+		},
+		{
+			scenario: "success (pages)",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"file.pdf": "/file.pdf",
+				})
+				ctx.SetValues(map[string][]string{
+					"splitMode": {
+						gotenberg.SplitModePages,
+					},
+					"splitSpan": {
+						"1-2",
+					},
+					"pdfua": {
+						"true",
+					},
+					"metadata": {
+						"{\"Creator\": \"foo\", \"Producer\": \"bar\" }",
+					},
+				})
+				return ctx
+			}(),
+			engine: &gotenberg.PdfEngineMock{
+				SplitMock: func(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+					return []string{"/file/file.pdf"}, nil
+				},
+				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
+					return nil
+				},
+				WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, metadata map[string]interface{}, inputPath string) error {
+					return nil
+				},
+			},
+			expectError:            false,
+			expectHttpError:        false,
+			expectOutputPathsCount: 1,
+			expectOutputPaths:      []string{"/file/file.pdf"},
+		},
+	} {
+		t.Run(tc.scenario, func(t *testing.T) {
+			tc.ctx.SetLogger(zap.NewNop())
+			tc.ctx.SetMkdirAll(&gotenberg.MkdirAllMock{MkdirAllMock: func(path string, perm os.FileMode) error {
+				return nil
+			}})
+			tc.ctx.SetPathRename(&gotenberg.PathRenameMock{RenameMock: func(oldpath, newpath string) error {
+				return nil
+			}})
+			c := echo.New().NewContext(nil, nil)
+			c.Set("context", tc.ctx.Context)
+
+			err := splitRoute(tc.engine).Handler(c)
+
+			if tc.expectError && err == nil {
+				t.Fatal("expected error but got none", err)
+			}
+
+			if !tc.expectError && err != nil {
+				t.Fatalf("expected no error but got: %v", err)
+			}
+
+			var httpErr api.HttpError
+			isHttpError := errors.As(err, &httpErr)
+
+			if tc.expectHttpError && !isHttpError {
+				t.Errorf("expected an HTTP error but got: %v", err)
+			}
+
+			if !tc.expectHttpError && isHttpError {
+				t.Errorf("expected no HTTP error but got one: %v", httpErr)
+			}
+
+			if err != nil && tc.expectHttpError && isHttpError {
+				status, _ := httpErr.HttpError()
+				if status != tc.expectHttpStatus {
+					t.Errorf("expected %d as HTTP status code but got %d", tc.expectHttpStatus, status)
+				}
+			}
+
+			if tc.expectOutputPathsCount != len(tc.ctx.OutputPaths()) {
+				t.Errorf("expected %d output paths but got %d", tc.expectOutputPathsCount, len(tc.ctx.OutputPaths()))
+			}
+
+			for _, path := range tc.expectOutputPaths {
+				if !slices.Contains(tc.ctx.OutputPaths(), path) {
+					t.Errorf("expected '%s' in output paths %v", path, tc.ctx.OutputPaths())
+				}
+			}
+		})
+	}
+}
+
 func TestConvertHandler(t *testing.T) {
 	for _, tc := range []struct {
 		scenario               string

pkg/modules/pdftk/doc.go

@@ -2,6 +2,7 @@
 // interface using the PDFtk command-line tool. This package allows for:
 //
 // 1. The merging of PDF files.
+// 2. The splitting of PDF files.
 //
 // The path to the PDFtk binary must be specified using the PDFTK_BIN_PATH
 // environment variable.

pkg/modules/pdftk/pdftk.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"path/filepath"
 
 	"go.uber.org/zap"
 
@@ -51,6 +52,31 @@ func (engine *PdfTk) Validate() error {
 	return nil
 }
 
+// Split splits a given PDF file.
+func (engine *PdfTk) Split(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+	var args []string
+	outputPath := fmt.Sprintf("%s/%s", outputDirPath, filepath.Base(inputPath))
+
+	switch mode.Mode {
+	case gotenberg.SplitModePages:
+		args = append(args, inputPath, "cat", mode.Span, "output", outputPath)
+	default:
+		return nil, fmt.Errorf("split PDFs using mode '%s' with PDFtk: %w", mode.Mode, gotenberg.ErrPdfSplitModeNotSupported)
+	}
+
+	cmd, err := gotenberg.CommandContext(ctx, logger, engine.binPath, args...)
+	if err != nil {
+		return nil, fmt.Errorf("create command: %w", err)
+	}
+
+	_, err = cmd.Exec()
+	if err != nil {
+		return nil, fmt.Errorf("split PDFs with PDFtk: %w", err)
+	}
+
+	return []string{outputPath}, nil
+}
+
 // Merge combines multiple PDFs into a single PDF.
 func (engine *PdfTk) Merge(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
 	var args []string

pkg/modules/pdftk/pdftk_test.go

@@ -116,7 +116,7 @@ func TestPdfTk_Merge(t *testing.T) {
 				t.Fatalf("expected error but got: %v", err)
 			}
 
-			fs := gotenberg.NewFileSystem()
+			fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 			outputDir, err := fs.MkdirAll()
 			if err != nil {
 				t.Fatalf("expected error but got: %v", err)
@@ -142,6 +142,88 @@ func TestPdfTk_Merge(t *testing.T) {
 	}
 }
 
+func TestPdfCpu_Split(t *testing.T) {
+	for _, tc := range []struct {
+		scenario               string
+		ctx                    context.Context
+		mode                   gotenberg.SplitMode
+		inputPath              string
+		expectError            bool
+		expectedError          error
+		expectOutputPathsCount int
+		expectOutputPaths      []string
+	}{
+		{
+			scenario:               "ErrPdfSplitModeNotSupported",
+			expectError:            true,
+			expectedError:          gotenberg.ErrPdfSplitModeNotSupported,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario:               "invalid context",
+			ctx:                    nil,
+			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1-2"},
+			expectError:            true,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario:               "invalid input path",
+			ctx:                    context.TODO(),
+			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1-2"},
+			inputPath:              "",
+			expectError:            true,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario:               "success (pages)",
+			ctx:                    context.TODO(),
+			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1-2"},
+			inputPath:              "/tests/test/testdata/pdfengines/sample1.pdf",
+			expectError:            false,
+			expectOutputPathsCount: 1,
+		},
+	} {
+		t.Run(tc.scenario, func(t *testing.T) {
+			engine := new(PdfTk)
+			err := engine.Provision(nil)
+			if err != nil {
+				t.Fatalf("expected error but got: %v", err)
+			}
+
+			fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
+			outputDir, err := fs.MkdirAll()
+			if err != nil {
+				t.Fatalf("expected error but got: %v", err)
+			}
+
+			defer func() {
+				err = os.RemoveAll(fs.WorkingDirPath())
+				if err != nil {
+					t.Fatalf("expected no error while cleaning up but got: %v", err)
+				}
+			}()
+
+			outputPaths, err := engine.Split(tc.ctx, zap.NewNop(), tc.mode, tc.inputPath, outputDir)
+
+			if !tc.expectError && err != nil {
+				t.Fatalf("expected no error but got: %v", err)
+			}
+
+			if tc.expectError && err == nil {
+				t.Fatal("expected error but got none")
+			}
+
+			if tc.expectedError != nil && !errors.Is(err, tc.expectedError) {
+				t.Fatalf("expected error %v but got: %v", tc.expectedError, err)
+			}
+
+			if tc.expectOutputPathsCount != len(outputPaths) {
+				t.Errorf("expected %d output paths but got %d", tc.expectOutputPathsCount, len(outputPaths))
+			}
+		})
+	}
+}
+
 func TestPdfTk_Convert(t *testing.T) {
 	engine := new(PdfTk)
 	err := engine.Convert(context.TODO(), zap.NewNop(), gotenberg.PdfFormats{}, "", "")

pkg/modules/qpdf/doc.go

@@ -2,6 +2,7 @@
 // interface using the QPDF command-line tool. This package allows for:
 //
 // 1. The merging of PDF files.
+// 2. The splitting of PDF files.
 //
 // The path to the QPDF binary must be specified using the QPDK_BIN_PATH
 // environment variable.

pkg/modules/qpdf/qpdf.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"path/filepath"
 
 	"go.uber.org/zap"
 
@@ -45,12 +46,37 @@ func (engine *QPdf) Provision(ctx *gotenberg.Context) error {
 func (engine *QPdf) Validate() error {
 	_, err := os.Stat(engine.binPath)
 	if os.IsNotExist(err) {
-		return fmt.Errorf("QPdf binary path does not exist: %w", err)
+		return fmt.Errorf("QPDF binary path does not exist: %w", err)
 	}
 
 	return nil
 }
 
+// Split splits a given PDF file.
+func (engine *QPdf) Split(ctx context.Context, logger *zap.Logger, mode gotenberg.SplitMode, inputPath, outputDirPath string) ([]string, error) {
+	var args []string
+	outputPath := fmt.Sprintf("%s/%s", outputDirPath, filepath.Base(inputPath))
+
+	switch mode.Mode {
+	case gotenberg.SplitModePages:
+		args = append(args, inputPath, "--pages", ".", mode.Span, "--", outputPath)
+	default:
+		return nil, fmt.Errorf("split PDFs using mode '%s' with QPDF: %w", mode.Mode, gotenberg.ErrPdfSplitModeNotSupported)
+	}
+
+	cmd, err := gotenberg.CommandContext(ctx, logger, engine.binPath, args...)
+	if err != nil {
+		return nil, fmt.Errorf("create command: %w", err)
+	}
+
+	_, err = cmd.Exec()
+	if err != nil {
+		return nil, fmt.Errorf("split PDFs with QPDF: %w", err)
+	}
+
+	return []string{outputPath}, nil
+}
+
 // Merge combines multiple PDFs into a single PDF.
 func (engine *QPdf) Merge(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
 	var args []string

pkg/modules/qpdf/qpdf_test.go

@@ -116,7 +116,7 @@ func TestQPdf_Merge(t *testing.T) {
 				t.Fatalf("expected error but got: %v", err)
 			}
 
-			fs := gotenberg.NewFileSystem()
+			fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
 			outputDir, err := fs.MkdirAll()
 			if err != nil {
 				t.Fatalf("expected error but got: %v", err)
@@ -142,6 +142,88 @@ func TestQPdf_Merge(t *testing.T) {
 	}
 }
 
+func TestQPdf_Split(t *testing.T) {
+	for _, tc := range []struct {
+		scenario               string
+		ctx                    context.Context
+		mode                   gotenberg.SplitMode
+		inputPath              string
+		expectError            bool
+		expectedError          error
+		expectOutputPathsCount int
+		expectOutputPaths      []string
+	}{
+		{
+			scenario:               "ErrPdfSplitModeNotSupported",
+			expectError:            true,
+			expectedError:          gotenberg.ErrPdfSplitModeNotSupported,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario:               "invalid context",
+			ctx:                    nil,
+			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1-2"},
+			expectError:            true,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario:               "invalid input path",
+			ctx:                    context.TODO(),
+			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1-2"},
+			inputPath:              "",
+			expectError:            true,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario:               "success (pages)",
+			ctx:                    context.TODO(),
+			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1-2"},
+			inputPath:              "/tests/test/testdata/pdfengines/sample1.pdf",
+			expectError:            false,
+			expectOutputPathsCount: 1,
+		},
+	} {
+		t.Run(tc.scenario, func(t *testing.T) {
+			engine := new(QPdf)
+			err := engine.Provision(nil)
+			if err != nil {
+				t.Fatalf("expected error but got: %v", err)
+			}
+
+			fs := gotenberg.NewFileSystem(new(gotenberg.OsMkdirAll))
+			outputDir, err := fs.MkdirAll()
+			if err != nil {
+				t.Fatalf("expected error but got: %v", err)
+			}
+
+			defer func() {
+				err = os.RemoveAll(fs.WorkingDirPath())
+				if err != nil {
+					t.Fatalf("expected no error while cleaning up but got: %v", err)
+				}
+			}()
+
+			outputPaths, err := engine.Split(tc.ctx, zap.NewNop(), tc.mode, tc.inputPath, outputDir)
+
+			if !tc.expectError && err != nil {
+				t.Fatalf("expected no error but got: %v", err)
+			}
+
+			if tc.expectError && err == nil {
+				t.Fatal("expected error but got none")
+			}
+
+			if tc.expectedError != nil && !errors.Is(err, tc.expectedError) {
+				t.Fatalf("expected error %v but got: %v", tc.expectedError, err)
+			}
+
+			if tc.expectOutputPathsCount != len(outputPaths) {
+				t.Errorf("expected %d output paths but got %d", tc.expectOutputPathsCount, len(outputPaths))
+			}
+		})
+	}
+}
+
 func TestQPdf_Convert(t *testing.T) {
 	engine := new(QPdf)
 	err := engine.Convert(context.TODO(), zap.NewNop(), gotenberg.PdfFormats{}, "", "")