Free Download WinMerge for Windows PC is an Open Source differencing and merging tool. It can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.

Overview of WinMerge

WinMerge is a Windows tool for visual difference display and merging files and directories. Unicode support. Flexible syntax coloring editor. Windows Shell integration. Regexp filtering. Side-by-side line diff and highlights diffs inside lines.

This differencing and merging tool is an open-source project, meaning volunteers maintain and develop the program. If you are interested in contributing work to the project, see our developer page for further information on how you may contribute.

In addition, this tool is translated into several different languages. See their information on translating this program into your language.

Features of WinMerge

  • Handles Windows, Unix, and Mac text file formats
  • Unicode support
  • Tabbed interface
  • Visual differencing and merging of text files
  • Flexible editor with syntax highlighting, line numbers, and word-wrap
  • Highlights differences inside lines
  • The difference pane shows the current difference in two vertical panes
  • The location pane shows a map of files compared
  • Moved lines detection
  • Regular Expression based file filters allow excluding and including items
  • Fast compare using file sizes and dates
  • Compares one folder or includes all subfolders
  • Can show folder compare results in a tree-style view
  • Creates patch files (Normal-, Context- and Unified formats)
  • Resolve conflict files
  • Rudimentary Visual SourceSafe and Rational ClearCase integration
  • Shell Integration (supports 64-bit Windows versions)
  • Archive file support using 7-Zip
  • Plugin support
  • Localizable interface

System Requirements and Technical Details

  • Supported OS: Windows 11, Windows 10, Windows 8.1, Windows 7
  • RAM (Memory): 2 GB RAM (4 GB recommended)
  • Free Hard Disk Space: 200 MB or more


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