Java API to Combine & Split Documents

Merge various pages, slides & diagrams into a single file

Rip & split huge documents into multiple smaller files

Shuffle & reorganize pages, slides or diagrams

Exchange & swap two pages, slides or diagrams among each other within a document

Cut & trim document by removing specific pages, slides or diagrams

Delete single or collection of pages, slides or diagrams

Stitch & merge together a large number of documents in batches

Programmatically check in Java if a document is secured with a password

Set, reset and delete password of known & unknown document formats

Split One Text File to Multiple by Line Numbers

Get Image Representation of Document Pages

Merge Multiple Documents of Different Formats to a Single PDF File

Insert OLE Objects into PDF, Word, Excel, PowerPoint & Open Document Formats

Programmatically Attach Files to A PDF Document

Remove Desired Pages from Documents

GroupDocs.Merger for Java API lets you select and delete unwanted pages from your document.

Check Password of Unknown Document Format

Even if the format of a particular document is unknown, GroupDocs.Merger for Java enables you to check & retrieve document password, if available.

Join Password-Protected Documents of Known Formats

GroupDocs.Merger for Java API allows you to get a list of documents of known and unknown formats. Following example shows, how you can do it for known file formats, using Java:

String password = "SomePasswordString";
InputStream documentExample1 = new FileInputStream("sourceFile.docx");
InputStream documentExample2 = new FileInputStream("sourceFile2.docx");
List documentStreams = new ArrayList();
JoinItem item1 = new JoinItem(documentExample1, FileFormat.Pdf, password);
documentStreams.add(item1);
JoinItem item2 = new JoinItem(documentExample2, FileFormat.Pdf, password);
documentStreams.add(item2);