Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Flathub
- KDE Plasma

WinMerge is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best free Mac alternative is KDiff3, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to WinMerge and 17 are free and available for Mac so hopefully you can find a suitable replacement. Other interesting free Mac alternatives to WinMerge are P4Merge, Meld for OSX, SemanticDiff and DiffMerge.

P4Merge uses color coding to allow users to visualize the differences between file or images. It allows three-way merging among files, and shows side-by-side file/image comparison.



Meld is a visual diff and merge tool targeted at developers. Meld helps you compare files, directories, and version controlled projects. It provides two- and three-way comparison of both files and directories, and has support for many...


SemanticDiff is a programming language aware diff for Visual Studio Code and GitHub. It helps software developers understand code changes faster by hiding irrelevant changes, detecting moved code, and highlighting refactorings.



DiffMerge is a graphical file comparison program for Windows, Mac OS X and Unix, published by SourceGear.

DiffPlug is a free text editor/differ and image viewer/differ. Purchasing a license allows you to diff other kinds of files such as Simulink.

Difftastic is a diff tool that compares files based on their syntax. It supports over 20 programming languages and when it works, it's fantastic.

Visualize folders side-by-side and find immediately which files are different, colors help to understand the diff type. Colors identify older, modified and newer files.




GUI tool with cross-platform support named after "forske forskjell" (research difference) 🤍



xxdiff is a QT based graphical file and directories comparator and merge tool. It provides comparing two files, three files.

GumTree is a complete framework to deal with source code as trees and computing differences between them.
Lightweight, good 3 ways merge with 4 sub-windows. Really really visualization. I love it, it works from Linux, Windows to Mac.