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WinMerge is an open source programming tool. It has the particularity to compare and edit 2 source codes at the same time on its interface.

Key features

Comparing: one of the particularities of WinMerge is its ability to display 2 source codes of 2 different applications simultaneously. This option is helpful when comparing 2 similar applications codes.

Editing: another function of this software is that, it enables the user to modify the source code of the application as he wishes. And it also allows detecting possible errors contained therein.

Merging: WinMerge enables the user to merge the code in a single file once the modifications are done. With that option, it is also possible to create a patch files to upgrade the original application.

Advanced features: apart from these features, this software supports various advanced settings such as syntax highlighting, shell integration, archiving media in Zip file and many others.


This is a multilingual software.
WinMerge is proposed here as an open source, entirely free of charge.


It requires a minimum knowledge in programming to modify source codes.


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Alternative spelling: WinMerge-2.14.0-Setup.exe