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Guiffy is a visual file compare diff tool, folder compare, and merge tool. Its features include the Trustworthy 3-way auto-merge - "SureMerge", In-Line difference highlighting, integrated folder and filetree comparisons, command line interface and API for automation, SCM integrations, and application plug-ins. Guiffy produces reports as HTML with support for color printing. File comparing options include folded views for support of large files. Supports over 150 file encoding formats such as UTF8, UTF16, MBCS, SJIS, and multi-lingual Unicode fonts.

Guiffy integrates with the following SCM systems as a value-added more...

What's New

Version 10.6:

  • Performance Improvements:
    • Optimized clear Screen functions.
    • Optimized startup for SWT (Native File/Folder dialogs).
    • Position to first diff optimized.
    • Compare/Merge view build optimized.
    • Diff/Attention navigation optimized.
  • 64-bit extensions:
    • Support for files > 2GB.
    • 64-bit line numbers and more...


  • OS X 10.6 or later

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4 5


Current Version (10.x)


Downloads 13,069
Version Downloads 83
License Demo
Date 02 Jul 2014
Platform Intel 64 / OS X / Intel 32
Price $37.50