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SmartSynchronize is a multi-platform file/directory compare and merge tool. It can help you, for example, to synchronize two directories.
  • Very easy to use.
  • File compare with possibility to edit and merge.
  • File compare with detection of inner-line changes.
  • Directory compare with ability to synchronize changes.
  • Configuration of ignored files and directories.
  • Ability to store and reopen profiles. (directory-pairs)
To run SmartSynchronize you will need a valid license file. You can either more...

What's New

Version 3.3.4:


  • File Compare:
    • if Name column is too narrow, the text will be truncated in the middle
  • Compare:
    • whitespaces in inner-line changes are highlighted as well as trailing whitespaces (configurable color) by default
    • navigation to previous/next changes moves focus to side with larger block resulting in better more...


  • OS X 10.5 or later
  • Java Runtime Environment (JRE)

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SmartSynchronize User Discussion

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J3rryk Member IconReview-1

HIghly recommended!!! This thing actually compares the files. Rsync messed up my class notes really bad by corrupting certain files I synced creating a terrible mess on my system where I had annotated PDFs (which I spent hours on), mixed in with hundreds of new PDFs many of which were corrupted due to Apple's botched Mountain Lion rsync implementation. This software solved the problem once and for all. Also, it is free to use in a non-commercial application. Perfect for students. Many thanks to the developers!!!

Reply0 replies
Version 3.2.1
Sesquipedalian Member IconComment+151

There is also the very full featured and entirely free Unison, available at http://alan.petitepomme.net/unison/index.html

Unison's official homepage is at http://www.cis.upenn.edu/~bcpierce/unison/

Reply2 replies
Version 3.1.3

Unison is for file/folder synchronization, not file/folder comparison and merging. Completely different tools for completely different purposes.


Before syncing Unison gives you a detailed comparison, and your choice of methods for merging.

madnil Member IconComment+8

39 USD are far to much. I recommened the free KDiff3 http://kdiff3.sourceforge.net/, released under GNU GPL.

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Version 1.5.1
Anonymous Member IconReview

It would be nice if I could try out the darn program without having to obtain a trial license. Not to mention the useless, forced, scrolling through the license agreement. Whatever. Deleted.

Reply0 replies
Version 1.5
user icon+0
Version 3.2.1
> 5 2


Current Version (3.x)


Downloads 9,556
Version Downloads 110
License Demo
Date 13 May 2014
Platform Intel 64 / OS X / PPC 32 / Intel 32 / PPC 64
Price $39.00
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