Merge and split documents with ease

Merge various document types without hassle.

Easily manage documents by breaking up large files into smaller, more manageable pieces.

Manipulate document pages to reorder, swap, or remove them.

Choose your platform

GroupDocs.Merger at a glance

API to combine, split, swap, reorder or remove document pages, slides, and diagrams.

Merge multiple file formats
Seamlessly combine multiple PDF, Office, and many other supported formats into a single document.
Split large documents
Split documents by specific pages, ranges, or even extract individual pages.
Customize document structure
Organize your documents by rearranging, removing, or adding pages.
Preview document pages
Generate image representations of document pages to understand the content and structure better.

Practical code showcase

Some use cases of typical GroupDocs.Merger operations.

Merging several files

GroupDocs.Merger allows you to combine several files together into a single file. You can merge whole documents or particular pages from your documents.

C# Java TypeScript Python

//  Specify desired page numbers or page range to join
PageJoinOptions joinOptions = new PageJoinOptions(1, 4, RangeMode.OddPages);

// Load the source DOCX file
using (Merger merger = new Merger(@"c:\sample1.docx"))
{
  // Add another DOCX file to merge
  merger.Join(@"c:\sample2.docx", joinOptions);
  
  // Merge DOCX files and save result
  merger.Save(@"c:\merged.docx");
}

//  Specify desired page numbers or page range to join
JoinOptions joinOptions = new JoinOptions(1, 4, RangeMode.OddPages);

// Load the source DOCX file
Merger merger = new Merger("c:\sample1.docx");
  
// Add another DOCX file to merge
merger.join("c:\sample2.docx", joinOptions);

// Merge DOCX files and save result
merger.save("c:\merged.docx");

//  Specify desired page numbers or page range to join
const joinOptions = new JoinOptions(1, 4, RangeMode.OddPages);

// Load the source DOCX file
const merger = new Merger("c:\sample1.docx");
  
// Add another DOCX file to merge
merger.join("c:\sample2.docx", joinOptions);

// Merge DOCX files and save result
merger.save("c:\merged.docx");

import groupdocs.merger as gm

def run():

    #  Specify desired page numbers or page range to join
    joinOptions = gm.domain.options.JoinOptions(1, 4, gm.RangeMode.OddPages)

    # Load the source DOCX file
    with gm.Merger("c:\sample1.docx") as merger:

        # Add another DOCX file to merge
        merger.join("c:\sample2.docx", joinOptions)

        # Merge DOCX files and save result
        merger.save("c:\merged.docx")

In-depth metrics and statistical insights

Dive into a detailed breakdown of our key figures, providing comprehensive metrics and statistical insights into our achievements, impact, and growth.

60+
Supported formats
Each library supports processing more than 50 of most popular file and document formats.
274k
NuGet downloads
GroupDocs.Merger for .NET has more than 274K downloads from the NuGet package manager.
5.5k
Maven downloads
GroupDocs.Merger for Java has more than 5.5K downloads from our Maven repository.
140+
Happy customers
Our libraries are used by both small individual developers as well as by leading companies all over the world.

Our happy customers

GroupDocs libraries are employed by globally renowned and distinguished brands across the world.

Platform independence

GroupDocs.Merger library supports the following operating systems and frameworks:

.NET Framework 4.6.2 or higher
.NET Core 2.0 or higher
.NET 6.0 or higher
Mono Framework 2.6.7 or higher

Windows, Linux, Mac OS

Microsoft Visual Studio
Xamarin (Android, iOS, Mac)
MonoDevelop

60+ file formats

J2SE 8.0 or higher

Windows, Linux, Mac OS

IntelliJ IDEA
Eclipse
NetBeans

50+ file formats

Node.js 16+ and J2SE 8.0 (1.8)+

Windows, Linux, Mac OS

Atom
Visual Studio Code
Any other text editor

50+ file formats

Python 3.9+
and .Net 6+

Windows, Linux, Mac OS

IDLE
PyCharm
Visual Studio Code

50+ file formats

Ready to get started?

Try GroupDocs.Merger features for free on your platform

Frequently asked questions

Answers to most commonly asked questions.

Does the GroupDocs.Merger library need any other third-party software to manipulate documents?
GroupDocs.Merger does not require any external software to be installed such as Adobe Acrobat, Microsoft Office, or any other.
Can I try the GroupDocs.Merger library before purchasing it?
Yes, you can try GroupDocs.Merger without buying a license. Once installed without a license, the library works in trial mode. In this mode, trial badges are added to the resultant document, and it is trimmed to the first 3 pages. If you wish to test GroupDocs.Merger without the limitations of the trial version, you can also request a 30-day temporary license. For more details, see Get a Temporary License.
What licenses do you have?
We offer several license types to fit the needs of particular developers or companies. License types depend on the number of developers, the number of developer site locations, and whether you need to deliver our SDK/API to your end customers. Alternatively, you can choose Metered licenses based on monthly usage of the product. Learn more at License Types.