Source Code
WinMerge is Open Source software under the GNU General Public License.
This means everybody can download the source code and improve and modify it. The only thing we ask is that people submit their improvements and modifications back to us so that all WinMerge users may benefit.
GNU General Public License
WinMerge is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
WinMerge is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with WinMerge. If not, see <http://www.gnu.org/licenses/>.
Clone or download
The source code is hosted on GitHub in a Git repository:
https://github.com/winmerge/winmerge.git
You can also download the current branches as ZIP file:
| Download | Branch |
|---|---|
| master.zip | Master |
| stable-gh.zip | Stable |
Recent Commits 
- Update Locales.xml 2026-03-16 18:09
- Update Corsican translation for 2.16.55 (#3259) 2026-03-16 16:24
- Fix incorrect GetKeyState usage for modifier key detection 2026-03-15 07:51
- Fix incorrect GetAsyncKeyState usage for modifier key detection (#3257) 2026-03-15 07:34
- Refactor save confirmation logic using SaveClosingDlg::ShowAndSave (#… 2026-03-15 07:10
- Fix crash caused by OnClose being called twice in image compare windo… 2026-03-15 06:14
- Fix keyboard input issue after Alt+mouse operations (#3254) 2026-03-15 00:57
- Add directives (@cs, @ci, @name) to filter expressions (#3253) 2026-03-14 21:31
- Update Hungarian.po (#3252) 2026-03-14 17:18
- Add CFR Java decompiler plugin for .class file comparison (#3242) (4) 2026-03-14 02:59
- View all commits…