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DiffMerge is an application to visually compare and merge files.

Product Features

  • Diff. Graphically shows the changes between two files. Includes intra-line highlighting and full support for editing. Merge. Graphically shows the changes between 3 files. Allows automatic merging (when safe to do so) and full control over editing the resulting file.
  • Folder Diff. Performs a side-by-side comparison of 2 folders, showing which files are only present in one file or the other, as well as file pairs which are identical or different.
  • Configurable. Rulesets and options provide for customized appearance and more...

What's New

Version 4.2.0:
  • Added HTML and Text export of file and folder differences to a file.
  • Added new "Export" menu hierarchy.
  • Improved visibility of the selected change within File Diff and Merge windows. Solid side bars are now drawn in addition to the dotted lines and the color was changed to use the selection highlight background color.
  • Added "-ignore_unimportant" option to the more...


OS X 10.6 or later

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Current Version (4.x)


Downloads 125,882
Version Downloads 41,609
License Shareware
Date 24 Oct 2013
Platform Intel 64 / OS X / Intel 32
Price $39.00
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