What is WinMerge?

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.

Screenshot

File Comparison

See the screenshots page for more screenshots.

Features

WinMerge is highly useful for determining what has changed between project versions, and then merging changes between versions. WinMerge can be used as an external differencing/merging tool or as a standalone application.

In addition, WinMerge has many helpful supporting features that make comparing, synchronising, and merging as easy and useful as possible:

General

File Compare

Folder Compare

Image Compare New!

Version Control

Other

WinMerge 2.16.0 - latest stable version

WinMerge 2.16.0 is the latest stable version, and is recommended for most users.

Project News RSS

Support

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

Developers

WinMerge is an open source project, which means that the program is maintained and developed by volunteers.

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