At Guiffy our focus is Advanced Cross-Platform Diff/Merge software.
Our product is a visual diff tool, merge tool, and folder compare tool that makes comparing and
merging sources easy and reliable. Guiffy is used around the world by thousands of professional
organizations on a wide variety of platforms (Including: Windows, MacOS X, Linux,
Free 21-day evaluations...
December 1, 2015:
Guiffy 11.3 released . . .
September 30, 2015:
Guiffy 11.2 tested/supported on MacOS X 10.11 (El Capitan).
- Windows native (xfiledialog) file/folder dialogs,
Changed default to inline diff highlighting char x char,
AWT Native FileDialogs on Linux
July 29, 2015:
Guiffy 11.2 tested/supported on Windows 10.
July 7, 2015:
Guiffy 11.2 released . . .
March 3, 2015:
Guiffy 11.1 released . . .
- Patch Preview,
Revised % rule for inline diffs highlighting,
AWT Native FileDialogs on MacOS X
- New Unified Diff patch tool,
New 64-bit Windows shell extension,
Improved MouseWheel support
Our 3-way Merge Tool - SureMerge™
- Guiffy's Trustworthy 3-way merge tool,
called SureMerge™, surpasses all other merge tools with its intelligent
hybrid algorithms and ease-of-use. See our SureMerge White Paper which includes test kit files for
evaluating 3-way merge tools. For more Merge Tool info...
Guiffy's visual diff tool can be used to compare source files
of any type with builtin support of Unicode (UTF8 & UTF16), MBCS,
SJIS, and over 150 File Encoding and character set formats.
- Guiffy implements a blend of 3
diff algorithms to provide the best visual file compare
results (including tuneable in-line diffs highlighting) and
trusted 3-way auto merge capabilities.
Guiffy also provides folder compare
and file tree synchronization capabilities. Expand a subfolder...
Double-click on a file in Guiffy's Directory Compare and a File Compare view
is quickly generated in another window.
Guiffy's Image Diff tool includes:
Command Line Interface, 3 Filter options, Overlay option,
Threshold control, Image File Info. panel, Image resizing,
Compare Metrics and Save Diff view.
The Image Diff tool
is integrated into the Guiffy's file/folder compare and
is also available as a free stand alone application.
File Compare reports saved as HTML...
reflect all of Guiffy's Style (Color and Font) choices and
the diff tool results driven by Ignore and Show options.
(Clickon thumbnail to view the screenshot)
Plus, Guiffy fits into your environment...
Guiffy includes: Desktop integrations, Command Line Interfaces, CM integrations,
IDE integrations, and an API library.
For further information,
see these topics in Guiffy's Help.
And, Guiffy consistently receives the very highest
For further information,
see our Tucows, Dr. Dobbs, and CNET reviews.