Free Online Compare DOCX Documents

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



Discover GroupDocs.Comparison free online app!

DOCXMicrosoft Word Open XML Document

Docx is well-known format for Microsoft Word documents. Introduced from 2007 with the release of Microsoft Office 2007, the structure of this new Document format was changed from plain binary to a combination of XML and binary files. Docx files can be opened with Word 2007 and lateral versions but not with the earlier versions of MS Word which support DOC file extensions.

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How to

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

  • Click inside the file drop area of source & target files to upload DOCX files or drag & drop DOCX 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 DOCX output file with changes.
  • Download the DOCX output file in images format.
  • Download the source & target DOCX 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!

Other Comparison file formats

You can also compare many other file formats. Please see the complete list below.