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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 plugin: more...

What's New

Version 11.0:

Note: Although Finder indicates no version number for this application, and the About dialog within the application indicates that it's version 1.0, the developer refers to it as version 11.0.
  • New Toolbars:
    • Toolbars based on tool: File Compare | Folder Compare | 2/3 way Merge.
    • New Buttons - all in shades of more...


  • OS X 10.6 or later
  • Java Runtime Environment 1.7 or later

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4 5


Current Version (11.x)


Downloads 13,153
Version Downloads 80
License Demo
Date 03 Nov 2014
Platform Intel 64 / OS X
Price $37.50