P4Merge uses color coding to allow users to visualize the differences between file or images. It allows three-way merging among files, and shows side-by-side file/image comparison.



The best Merge File alternative to WinMerge is P4Merge, which is free. If that doesn't suit you, our users have ranked more than 50 alternatives to WinMerge and 12 are Merge File Tools so hopefully you can find a suitable replacement. Other interesting Merge File Tool alternatives to WinMerge are UltraCompare, DiffMerge, Code Compare and SmartSynchronize.
P4Merge uses color coding to allow users to visualize the differences between file or images. It allows three-way merging among files, and shows side-by-side file/image comparison.



UltraCompare Professional is folder/file compare utility loaded with features to enable you to compare text files and folders, word documents, and even zip files and jar archives. UltraCompare includes text compare, binary file compare with the capability to merge differences...




DiffMerge is a graphical file comparison program for Windows, Mac OS X and Unix, published by SourceGear.

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.




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)...



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

DiffFork is a diff tool for Mac OS X. DiffFork can compare both folders and files, presenting differences in a visual format.

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...




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.




Very good tool IMHO: I have been using it for years, both as a visual diff and it integrates well as a 3 way merge tool for version control systems not just perforce, e.g. git , svn, bzr. Which is its primary purpose. AFAIK its QT based, only ugly if you think QT is. Default UI uses RedHat default laf, and Crystal icons from Everaldo