Start64!WinMerge is an Open Source visual text file differencing and merging tool for Win32 platforms. WinMerge can compare folders and files and present differences in easy to understand and handle format. Supports 64-bit Windows versions

WinMerge is highly useful for determining what has changed between project versions, and then merging changes between versions. WinMerge can be used as external differencing/merging tool or as standalone application.


WinMerge under 64bit


In addition WinMerge has a lot of helping and supporting features making comparing and synching/merging as easy and useful as possible. Several programming languages and other fileformats are syntax highlighted.

WinMerge is not an hex-editor. WinMerge can only inform user if binary files are different or identical, but WinMerge does not allow merging or editing binary files.

Goal of WinMerge development is to make comparing and synch/merge of directories and files easy and fast. While maintaining maximum reliability. Easy of use reduces errors. Latest 2.6 version is considered a stable and reliable program to use.

Please note that WinMerge is not a freeware, but it is GPL licenced. We have given you a good tool for free, so please follow our licence and submit your improvements back to us. We are happy to get help improving WinMerge further. It is advantage for all WinMerge users.


WinMerge under 64bit
Shell Integration - supports 64-bit Windows versions


  • Visual differencing and merging of text files
  • Flexible editor with syntax highlighting, line numbers and word-wrap
  • Handles DOS, UNIX and MAC text file formats
  • Unicode support
  • Difference pane shows current difference in two vertical panes
  • Location pane shows map of files compared
  • Highlights differences inside lines in file compare
  • Regular Expression based file filters in directory compare allow excluding and including items
  • Moved lines detection in file compare
  • Creates patch files
  • Shell Integration (supports 64-bit Windows versions)
  • Rudimentary Visual SourceSafe and Rational ClearCase integration
  • Archive file support using 7-Zip
  • Plugin support
  • Localizable interface via resource DLL
  • Online manual and installed HTML Help manual


WinMerge under 64bit