

FileMerge is described as 'Lets you compare one file to another or one directory to another and merge the files or directories together' and is a Diff Tool in the development category. There are more than 50 alternatives to FileMerge for a variety of platforms, including Windows, Mac, Linux, Web-based and BSD apps. The best FileMerge alternative is WinMerge, which is both free and Open Source. Other great apps like FileMerge are Meld, Beyond Compare, KDiff3 and P4Merge.


Pretty Diff is a language aware code comparison tool, beautifier, minifier, and parser for a variety of web oriented languages.

DiffALL compares any two media files and pinpoints every difference. Upload expected and actual — video, audio, images, subtitles (SRT/VTT), or text/JSON — and get a similarity score in seconds.



Free AI-powered text and file comparison tool. Compare PDF, Word, Excel, JSON, YAML, CSV, XML and Markdown online. End-to-end encryption, real-time collaboration, AI explanations. No installation needed.



A file and folder comparison tool, targeted at developers, with powerful merging capabilities. Easily integrate with git or other version control system and diff and merge files with the 3-ways merge and powerful alignment...




Diff Checker compares two snippets of text, source code, JSON or full files and highlights every change side-by-side. Everything runs locally inside the browser extension—no data ever leaves the user’s machine—so it suits security-sensitive workflows.






Riffle is a fast, native macOS diff and merge tool with 2-way diff, 3-way merge with an editable result, and folder compare, built for git, Tower, and the command line.




Online Text compare is a browser based data compare tool that highlights the differences between two versions.
