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 Ediff for Windows if you are looking for a replacement. The best Windows alternative is WinMerge, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Ediff and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Ediff are Meld, Beyond Compare, KDiff3 and Diffchecker.
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.




File and folder comparison tool offering source control integration, 3-way merge support, and selective synchronization. Supports FTP, cloud, runs offline, uses simple commands for files, customization, and scripting for reporting. Lightweight, portable with CLI and built-in viewer.





Diffchecker Pro enables you to compare various types of content, on your desktop or directly in the browser.




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.







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 JP is a fork of the original WinMerge, but after 2018 the two are nearly identical. WinMerge JP's features including 3-way compare has been merged into the original.


Easily compare and merge text files; compare doc, xls and pdf files; prepare comparison reports and printouts.

Guiffy is a diff merge tool and folder compare application and API. SureMerge is the most trustworthy source code 3-way merge tool available. Advanced features include tuneable inline diff highlighting, syntax highlighting and a blend of 3 diff algorithms.




diffoscope tries to get to the bottom of what makes files or directories different. It will recursively unpack archives of many kinds and transform various binary formats into more human-readable form to compare them.