Download C# DLL Library for Document Comparison

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Download C# Library for Document Comparison .NET API

GroupDocs.Comparison for .NET – An API to compare and merge Microsoft Word, Excel, PowerPoint, OpenDocument ODT, PDF, Text and HTML documents.

Release Notes Download

Get Started

Open NuGet package manager, search for GroupDocs.Comparison and install. You may also use the following command from the Package Manager Console.

Install

To install please execute Install-Package GroupDocs.Comparison from Package Manager Console in Visual Studio to fetch & reference GroupDocs.Comparison assembly in your project.

PM>

     Install-Package GroupDocs.Comparison

Update

If you already have GroupDocs.Comparison for .Net and want to upgrade it, please execute Update-Package GroupDocs.Comparison to get the latest version.

PM>

     Update-Package GroupDocs.Comparison

Version Nuget

Why download GroupDocs.Comparison for .NET?

On-premise library to compare documents in applications based on .NET platform. Retrieve the list of changes in the desired format with a line-by-line comparison of content, paragraphs, characters, styles, shapes, and position.

Document Comparison Features

Compare and detect differences among similar documents.
Support for 55+ popular document formats from various categories.
Visual separation of detected changes with the ability to accept or reject modifications.
Generate document preview.
Compare paragraph, word as well as characters.
Identify content styling and formatting changes.
Set metadata from the source, target files or keep it user-defined.
Make the resultant document password protected.

Supported Microsoft Office Formats

Microsoft Word®: DOC, DOCM, DOCX, DOT, DOTM, DOTX
Microsoft Excel®: XLS, XLT, XLSX, XLTM, XLSB, XLSM, XLSX, CSV
Microsoft PowerPoint®: POT, POTX, PPS, PPSX, PPTX, PPT
Microsoft OneNote®: ONE
Microsoft Visio®: VSDX, VSD, VSS, VST, VDX

Other Supported Formats

OpenDocument®: ODT, ODP, OTP, ODS, OTT
Fixed Layout: PDF
AutoCAD: DWG, DXF
Email: EML, EMLX, MSG
Images: BMP, GIF, JPG, JPEG, PNG
Web: HTM, HTML, MHT, MHTML
Text: RTF, TXT
eBook: MOBI, DjVu
Medical Imaging: DCM
Programming Language: CS, JAVA, CPP, JS, PY, RB

See the full list of supported formats.

Develop & Deploy GroupDocs.Comparison Anywhere

Microsoft Windows®: Windows Azure, Microsoft Windows Desktop (x86, x64), Microsoft Windows Server (x86, x64)
macOS®: Mac OS X
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: .NET Standard 2.0, .NET Framework 2.0 or higher, .NET Core 2.0 or higher, Mono Framework 1.2 or higher

Direct Download

GroupDocs.Comparison for .NET 26.8 (DLLs only)

This ZIP file contains only the GroupDocs.Comparison for .NET 26.8 assemblies, arranged by target framework under lib/, with their XML documentation files, the End User License Agreement and third-party license notices. The assemblies are the same as those in the MSI installer and in the NuGet packages of the same version. Choose this download to reference the product directly, without the MSI installer or NuGet. The bundled readme.txt lists the package dependencies that each target framework requires and the assembly binding redirects that .NET Framework projects must add to app.config or web.config. This download does not contain the demo projects.

Added: 25/8/2026 Downloads: