What is WinMerge?

File Comparison
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WinMerge is an Open Source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.

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WinMerge 2.14.0 - latest stable version

WinMerge 2.14.0 is the latest stable version, and is recommended for most users.

Download Now! Version 2.14.0; 6.14 MB

WinMerge 3

WinMerge 3 will be modern compare/synchronization tool. It will be based on Qt library and cross-platform. You can use the same tool in Windows and in Linux.

WinMerge will not be just WinMerge 2 with new GUI. There will be radical changes in how WinMerge works and how it looks. Many features won’t be available anymore and new features will be added.

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If you need support, look at our support page for more information how you can get it.


WinMerge is an open source project, which means that the program is maintained and developed by volunteers. If you are interested in contributing work to the project, see our developer page for further information on how you may contribute.

In addition, WinMerge is translated into a number of different languages. See our information on translating WinMerge into your own language.

The WinMerge Development Team