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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

What's New

Version 11.5:

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 11.5.

  • New FileTreeDiff API:
    • Works with GuiffyDiff, reads output(InputPipe)
    • Methods return Lists of files match/deleted/added/changed



  • OS X 10.7.3 or later
  • Java Runtime Environment 1.7 or later

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4.8 5


Current Version (11.x)


Downloads 13,477
Version Downloads 18
License Shareware
Date 05 Oct 2016
Platform Intel 64 / OS X
Price $30.00
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