Compare Documents Online

Online diff tool to compare two documents from any device, with a modern browser like Chrome, Opera and Firefox.




Free Document Conversion, Viewer, Merger app for Windows

Free Document Conversion, Viewer, Merger app for Windows

  • Easily convert, view or merge unlimited files on your own Windows PC.
  • Process Word, Excel, PowerPoint, PDF and more than 100 file formats.
  • No limit on file size.
  • Batch conversion of multiple files.
  • One app with rich features like Conversion, Viewer, Merger, Parser, Comparison, Signature.
  • Regular FREE updates with new features coming every month.
Free Download

Discover GroupDocs.Comparison free online app!

XLSX Microsoft Excel Open XML Spreadsheet

XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.

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How to

 How to compare, view & download changes of a document using GroupDocs Comparison App

  • Click inside the file drop area of source & target files to upload files or drag & drop files.
  • Click "Compare Now" button to compare / view / download changes instantly.
  • View list of changes in a panel.
  • View and navigate between pages.
  • Download a file with comparison results.

Powered By

 GroupDocs.Comparison for .NET API

Powerful document comparison.Net library & API.
Build your own solutions with document comparison functionality using our.NET library.

More Platforms

 GroupDocs.Comparison for Java

Java version of GroupDocs.Comparison library & API.
Compare your documents using our Java library.

 GroupDocs.Comparison Cloud

Easy to use cross-platform Cloud solution.
Or use our Cloud API to integrate document comparison functionality on your solutions

Open-Source UI/UX Solutions

 GroupDocs.Comparison for .NET and Java

Integrate document comparison in your apps using our out-of-the-box open-source front-end solutions based on Angular and GroupDocs.Comparison for .Net/Java.
UI / UX solutions can be run as standalone application or can be integrated in any.Net / Java application, download and build your comparison solution within few clicks!

 GroupDocs.Total for .Net and Java

GroupDocs.Total is an open - source UI / UX solution where all GroupDocs products are working together as one.
GroupDocs.Total provides multiple high quality features against over 120 document formats, such as conversion, signature, parser and much more!