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.




Diffchecker is described as 'Pro enables you to compare various types of content, on your desktop or directly in the browser' and is a Diff Tool in the development category. There are more than 50 alternatives to Diffchecker for a variety of platforms, including Windows, Mac, Linux, Web-based and SaaS apps. The best Diffchecker alternative is WinMerge, which is both free and Open Source. Other great apps like Diffchecker are Meld, Beyond Compare, KDiff3 and ForskScope.
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.




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.


SmartSynchronize is a multi-platform file and directory compare tool. It allows you to compare files or perform 3-way-merges, both with the ability to edit the file contents. SmartSynchronize is specialized in comparing directory structures (for example, of software projects)...



ExamDiff Pro is a powerful, intuitive, and easy to use visual side-by-side comparison tool for comparing and merging text and binary files, and directories.




Diff Match Patch is a high-performance library in multiple languages that manipulates plain text.
FileMerge lets you compare one file to another or one directory to another and merge the files or directories together.





Intuitive, multi-platform application for two and three-way visual file and folder comparison.

Text Compare is a tool to find difference between two different texts. Supports many different languages. Just paste your text and click check.



DiffGuru is a free online tool for developers and writers to instantly compare two blocks of text or files, highlight additions and deletions, and merge changes - no signup required, privacy-first design.




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

Free file and folder merge tool providing two-way comparison, Visual Studio and Atmel Studio integration, enhanced folder sync, syntax highlighting, batch operations, Intellisense, navigation by change type, command line support, and detailed control over merges.




Because it doesn't charge you money or make you register for real time comparison.