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Araxis Merge is the two- and three-way visual file comparison/merging and folder synchronization application. Use it to compare, understand and combine different versions of source code, Web pages and other text files, or even text copied and pasted from another application (e.g., Pages or Microsoft Word). Merge integrates with Time Machine, so you can compare older versions of files.

Merge is a compelling choice for software developers, lawyers, product release managers, Web designers and other professionals who work with multiple revisions of text files, including ASCII, MBCS and Unicode files. Merge integrates with more...

What's New

Version 2014.4459:
  • The Merge major version has been updated to 2014 to reflect the year of release.
  • Dropping two or three folders on to a text comparison now opens a new folder comparison, rather than giving an error.
  • Dropping one or more files on to a folder comparison results in an appropriate file comparison being opened, rather than giving an error.
  • The user is more...


OS X 10.8 or later

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Araxis Merge User Discussion

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gsl Member IconReview+3

I've been testing Merge for ~3 weeks and I like the program and the functionality.

My issues started yesterday when I upgraded to Lion: when I tried to compare Office or PDF files the files wouldn't load and Merge would display: "No Java runtime present, requesting install (0x80010001)".

I'm not religiously opposed to java or anything but having a native OS X app is a must for me for reasons outside my control... so I looked around... there were some 20MB of jar files berried deep in the Merge bundle!!

Merge was recommended to me by a friend as a truly mac-native comparison app! What gives? Why is it nowhere made clear that Merge requires java, some ~20MB of it, for key chunks of its functionality? Or is there small print somewhere that I've missed?

Reply1 reply
Version 2011.4040

The problem is more Apple-related than Araxis-related. According to Araxis' website, the software has not been tested with the official Lion release. In addition, plenty of applications will not work properly in a brand new system. I would recommend that if you want to update to a new OS, wait 2 or 3 releases so that Apple fixes the bugs.
Regarding Java, Apple is a mess. It's worse for those of us still on PPC, but for years users have complained about Apple's Java support. Often updates to the OS will break applications that use Java, including those from Araxis. My experience is that Araxis will provide a fix, but they have to know about the problem. Did you contact them? Their support is pretty good.
Quantrix is another one I could not get for my system due to Java problems.
I also use JIRA, which also relies on Java, and the most recent version now has a disclaimer: "Note: OS X is suitable for evaluation only, we do not support JIRA on OS X"

Now, even if you contact Araxis, they may not be able to help in this case since Apple said the following last October:
"As of the release of Java for Mac OS X 10.6 Update 3, the version of Java that is ported by Apple, and that ships with Mac OS X, is deprecated.

This means that the Apple-produced runtime will not be maintained at the same level, and may be removed from future versions of Mac OS X. The Java runtime shipping in Mac OS X 10.6 Snow Leopard, and Mac OS X 10.5 Leopard, will continue to be supported and maintained through the standard support cycles of those products."

Hope this helps.

Espiridion Member IconReview+1147

Indeed there are cheaper alternatives out there, and some are even free.
Having said that, I'm glad I purchased Merge. Customer support is impressive, and the application has saved me enormous amounts of time.

I just did a brief test with DiffMerge, since it is one of the free alternatives. I compared 2 files. One of them had 5 changes.

DiffMerge identified blank spaces I added. Merge did not.
DiffMerge did not support drag and drop of the files. Merge did making the work flow faster.
DiffMerge would not compare the files initially, since one was xml and the other txt. Merge compared them.

I then made the txt an xml file in order for DiffMerge to work.

DiffMerge has a single scroll bar. Merge has 2, one for each file.
DiffMerge used 2 colors, black for the whole document and red for the differences. Merge used black plus 4 other colors, making it easy to view different sections and/or type of text.

DiffMerge is definitely not bad, and as mentioned it is free. Replacing text from one file to another is quick and easy. I'm keeping it :-)

I was going to try other applications but did not want to run installers so I skipped them.
This was just a very brief test, focusing on a single feature; comparing 2 files. Araxis Merge is still the one for me. It has many additional features, is very fast, supports a wide variety of file formats, and offers superb customer support.

Reply3 replies
Version 2009.3793

"DiffMerge identified blank spaces I added. Merge did not."

Just a quick note that Merge most definitely identifies whitespace differences but this feature is off by default. I initially thought this was an odd choice, but it's actually quite refreshing to see just the important changes, especially when generating diff reports for clients.


Great review!


Thanks for the comments, and thanks for the tip WELDED.
I now noticed that option:
"Ignore all differences in whitespace
Choose this option to ignore all whitespace (spaces, tabs, carriage returns and line endings) within lines when comparing files."

semioticmonkey Member IconReview+25

Features wise, it beats them all. Nothing compare.
Kudos to the Devs to build a native OSX version well tought and tailored to the Mac GUI and workflow (compare it to the Win version to see how they have choosed differents paths for the Mac version to make it fit nicely to the OS).

The price is truly too high alas. A 'express' (not so stripped, tought) version in a more affordable price tag would appeals more customer and spread the brand and the use of it and challenge Filemerge users like me.

ps. And a TextMate bundle would be a nice touch.

I don't buy it cause it is, as already said, overpriced. Your opinion may differ. Try it.

Reply0 replies
Version 2008.3487
Mark Everitt Member IconComment+276
Mark Everitt

This is rather expensive! I use Unison which is free and excellent for file synchronisation between two folders on a single computer (you can repeat for more than two etc.) and was designed to synchronise a local folder and a remote folder. I'm not sure how it handles merges though, as I only work on one machine at a time and then synch before switching machines.


Alternatives for merging are command line utilities such as Bazaar (bzr) for version control systems. Bazaar happens to be easy to use too if the command line doesn't scare you.


Reply0 replies
Version 2008.3469
user icon+0
Version 2013.4415
user icon+0
Version 2011.4040
user icon+
Version 2011.4040
user icon+0
Version 2010.0.3907
> 5 7


Current Version (2014.x)


Downloads 11,188
Version Downloads 274
License Demo
Date 09 Apr 2014
Platform Intel 64 / OS X / Intel 32
Price $129.00
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