# WinMerge (open-source developer tool)

> WinMerge is a free, open-source developer tool for Windows. WinMerge is an Open Source differencing and merging tool for Windows. It has 9,309 GitHub stars and is released under the GPL-2.0 license. Its source code is on GitHub at WinMerge/winmerge.

WinMerge is an open-source differencing and merging tool for Windows. It compares files and folders and presents differences in a clear, visual format that is easy to understand and work with. WinMerge has been actively developed since 2000.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/WinMerge/winmerge |
| Platforms | Windows |
| Interface | desktop GUI |
| GitHub stars | 9,309 |
| License | GPL-2.0 (open source) |
| Replaces | n/a |
| Language | C++ |
| Website | https://winmerge.org/ |
| Official | no |
| Category | Code editors & developer tools |
| Latest release | v2.16.60 (Oct 27, 2026) |
| Last commit | Oct 27, 2026 |

## Install

Download a build for your system from the project's releases (https://github.com/WinMerge/winmerge/releases) or website, or build it from source by following the README.

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