.NET Document Merger & Splitter Library

Merge, trim, reorder & swap document pages of various file formats.

Document Page Manipulation via C# API

Merge two or more documents into a single file.
Join specific or group of pages from various files into one document.
Split a document into several resultant documents.
Split document by providing specific page numbers.
Split document to several multiple page files by providing various page intervals.
Specify exact line numbers to create its separate one-liner file.
Change page position within a document.
Remove single or multiple pages from a document.
Remove several pages from a document based on page number.
Rotate page to an angle of 90, 180 or 270 degrees.
Swap position of two pages within a document.
Extract specific page or a range of pages from the document.
Change page orientation (portrait, landscape) of specific or all pages within a document.
Set, update or remove document password.
Obtain basic meta information about the document.
Generate image representation of the document pages.
Ability to log document manipulation process information.
Load document from local disk, stream or from URL.

New Features & Enhancements v20.11

Implemented the splitting and joining support for the text .ERR format.

Please visit GroupDocs.Merger for .NET 20.11 Release Notes for the detailed notes.

Join & Split File Formats

Microsoft Word: DOC, DOCX, DOCM, DOT, DOTX, DOTM, RTF
Microsoft Excel: XLS, XLSX, XLSB, XLSM, XLT, XLTX, XLTM, XLAM
Microsoft PowerPoint: PPT, PPTX, PPS, PPSX
Microsoft Visio: VSDX, VSDM, VSSX, VSSM, VSTX, VSTM, VDX, VSX, VTX
Microsoft OneNote: ONE
OpenOffice: ODT, OTT, ODP, OTP, ODS
Web: HTML, MHT
Portable: PDF, XPS
Text: TXT
Other: TEX, EPUB, CSV, TSV

Rotate Pages File Formats

Portable: PDF, XPS
Other: TEX, EPUB

Other Supported File Formats

GroupDocs.Merger for .NET supports the following file formats to trim page, move/remove page, swap page and change page orientation operations: Microsoft Word: DOC, DOCX, DOCM, DOT, DOTX, DOTM, RTF
Microsoft Excel: XLS, XLSX, XLSB, XLSM, XLT, XLTX, XLTM, XLAM
Microsoft PowerPoint: PPT, PPTX, PPS, PPSX
Microsoft Visio: VSDX, VSDM, VSSX, VSSM, VSTX, VSTM, VDX, VSX, VTX
Microsoft OneNote: ONE
OpenOffice: ODT, OTT, ODP, OTP, ODS
Web: HTML, MHT, MHTML
Portable: PDF, XPS
Text: TXT
Other: TEX, EPUB

Platform Independence

GroupDocs.Merger for .NET does not require any external software or third party tool to be installed. GroupDocs.Merger for .NET supports any 32-bit or 64-bit operating system where .NET or Mono framework is installed. The other details are as follows:

Microsoft Windows: Microsoft Windows Desktop (x86, x64) (XP & up), Microsoft Windows Server (x86, x64) (2000 & up), Windows Azure
macOS: Mac OS X
Linux: Linux (Ubuntu, OpenSUSE, CentOS and others)
Development Environments: Microsoft Visual Studio (2010 & up), Xamarin.Android, Xamarin.IOS, Xamarin.Mac, MonoDevelop 2.4 and later.
Supported Frameworks: GroupDocs.Conversion for .NET supports .NET and Mono frameworks.

Join Specific Pages from Various Documents

string filePath = @"c:\sample.docx";
string filePath2 = @"c:\sample2.docx";
string filePathOut = @"c:\output\result.docx";

JoinOptions joinOptions = new JoinOptions(1, 4, RangeMode.OddPages);

using (Merger merger = new Merger(filePath, loadOptions))
{
    merger.Join(filePath2, joinOptions);
    merger.Save(filePathOut);
}

Swap Page Position within a Document

string filePath = @"c:\sample.pptx";
string filePathOut = @"c:\output\result.pptx";

int pageNumber1 = 3;
int pageNumber2 = 6;
SwapOptions swapOptions = new SwapOptions(pageNumber2, pageNumber1);

using (Merger merger = new Merger(filePath))
{
    merger.SwapPages(swapOptions);
    merger.Save(filePathOut);
}