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.




There are many alternatives to Diffchecker for Windows if you are looking for a replacement. The best free Windows alternative is WinMerge, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Diffchecker and many of them are free and available for Windows so hopefully you can find a suitable replacement. Other interesting free Windows alternatives to Diffchecker are Meld, KDiff3, ForskScope and P4Merge.
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.




Meld is an open-source, Python-based visual diff and merge tool that allows you to compare and edit files, supports syntax highlighting, and integrates with version control systems like CVS, Subversion, and Mercurial for dynamic diff updates. It works offline, is lightweight, portable, and ad-free.





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



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.



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.









Diffinity is a diff and merging tool with focus on accurate and easy to read source code diffs. It will compare the content of two files and present the differences in an easy to read line by line and char by char basis.




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

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.

WinMerge 2011 series is a fork of the original WinMerge application that compiles without ATL/MFC dependencies to enable zero-budget developers to build WinMerge from sources using Visual C++ Express editions.


diff checker is an image comparison tool specifically