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.




Beyond Compare is described as 'Compares files with source control integration, supports FTP and cloud storage, offers 3-way merge, and uses commands to manage syncs and differences' and is a very popular Diff Tool in the backup & sync category. There are more than 50 alternatives to Beyond Compare for a variety of platforms, including Windows, Mac, Linux, Web-based and Flathub apps. The best Beyond Compare alternative is Meld, which is both free and Open Source. Other great apps like Beyond Compare are WinMerge, KDiff3, Unison File Synchronizer and Araxis Merge.
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.




Text compare! is a online diff tool that allows you to easily spot the differences between to texts. Just paste two texts and hit the compare button. The two texts are shown side by side, with differences highlighted.

Vovsoft Compare Two Lists is a list comparison tool that can perform set operations over lists of words or numbers. Copy and paste your lists into the program, then click the "Compare" button to get the difference between the two lists.


Text Comparator, is a portable tool that can be used to compare text from two distinct sources in order to see if they perfectly match or not each other!


Compare text files or entire directory hierarchies, export and apply patches, and perform non-destructive find and replace operations on text files.




Diffchecker will compare text to find the difference between two text files. Just paste your files and click Find Difference!.

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...




Quickly compare 2 Excel spreadsheets, track changes, and spot differences without any programming skills needed. Perfect for office tasks. Completely free!.

Free, open-source diff and merge tool for macOS and Linux — WinMerge's battle-tested engine with a native Qt 6 interface.






Offers free folder or snapshot comparison on Windows, identifies added, removed, modified, and unchanged files, provides detailed file inspection, supports light and dark themes, and enables Pro features like snapshot creation, CSV and HTML report export for sharing.


