xxdiff is a QT based graphical file and directories comparator and merge tool. It provides comparing two files, three files.
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Apps similar to Tkdiff include WinMerge, which is free and open source. Other options are Meld, Beyond Compare, KDiff3 and P4Merge. Diff Tools like Tkdiff are a crowded field, with more than 50 alternatives for Windows, Mac, Linux, the web and self-hosting.
xxdiff is a QT based graphical file and directories comparator and merge tool. It provides comparing two files, three files.

Instantly find the differences between two blocks of text. Works with plain text, code, json, yaml, html, css, markdown, and more.


dwdiff is a diff program that operates at the word level instead of the line level. It is different from wdiff in that it allows the user to specify what should be considered whitespace, and in that it takes an optional list of characters that should be considered delimiters.
Diffchecker will compare text to find the difference between two text files. Just paste your files and click Find Difference!.

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.




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.



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



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.



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