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.




Riff is described as 'A diff filter highlighting which parts of lines have changed' and is a Diff Tool in the development category. There are more than 50 alternatives to Riff for a variety of platforms, including Windows, Mac, Linux, Web-based and BSD apps. The best Riff alternative is Meld, which is both free and Open Source. Other great apps like Riff are Beyond Compare, KDiff3, P4Merge and Diffchecker.
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.




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.


Draftable API Self-hosted is built for on-premise deployments. It is supplied as a virtual appliance and comparisons run entirely in that appliance. That means the confidentiality and privacy of your data is guaranteed.

Draftable is the most popular SaaS alternative to Riff.
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!


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.

An application to help you keep multiple pairs of folders in sync, quickly and easily. View differences between pairs of folders on screen using user defined coloured coding. Folder Sync allows you to utilise a fully automatic sync or manually manipulate the files yourself to...



Utilities for web, compare text online with Syntax highlight and support for languages like Java, Javascript, Typescript, C#, HTML and CSS

tkdiff is a graphical diff viewer based on the Tk framework. It is capable of inter-operating with source-control systems like CVS and Subversion to show differences between a local copy and a repository version.

DiffNow lets you compare text files, documents, binary files, and archives up to 1024KB in size. You can either upload the files you wish to compare their content.

CompareMerge is a Mac OSX's software tool for file comparison and merging text-like files.


