Free Online Document Comparison

Fast and Secure Comparison of more than 50 types of documents, from any device with a modern browser like Chrome, Opera and Firefox.



GroupDocs.Comparison App

GroupDocs.Comparison App Supported Document Formats

Microsoft Office Formats
  • Word: DOC, DOCX, DOT, DOTX, DOCM, DOTM, RTF
  • Excel: XLS, XLSX, XLSM, XLSB, CSV, XLS2003
  • PowerPoint: PPT, PPTX, PPS, PPSX
  • Outlook: EML, EMLX, MSG, MHTML
  • OneNote: ONE
  • Visio: VSDX
Other Formats
  • OpenDocument: ODT, OTT, ODS, ODP, OTP
  • Portable: PDF
  • AutoCAD: DXF, DWG
  • Images: JPEG, BMP, PNG, GIF, DCM, DICOM
  • Web: HTM, HTML
  • Text: TXT, Other Text Formats
  • Other: DjVu

Discover GroupDocs.Comparison free online app!

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 document pages.
  • View list of changes in a panel.
  • View and navigate between pages.
  • View pages thumbnails.
  • Set page view zoom-in or zoom-out.
  • Download the output file with changes.
  • Download the output file in images format.
  • Download the source & target files without changes.

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 funuctionality 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!