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VisualDiffer compares folders and files side-by-side using colors to visually show differences. From the Folder view it's possible to make operations on folders and files like copying or deleting.

It's possible to compare directories quickly choosing base folders from the context menu. Using the File Filter feature, it is possible to hide specific files like .git, .svn directories, or the omnipresent .DS_Store files from visualization.

Folder comparison can be done using different techniques from the fastest "compare only date and size," to the fine-grained byte-by-byte comparison. File comparison is done using more...

What's New

Version 1.6.1:
  • Fixed command line tool problems with sandbox


  • OS X 10.6 or later

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VisualDiffer User Discussion

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macadamsterdam Member IconReview+3

Super efficient utility app.
Fast, accurate, inexpensive.
For me, it has replaced DeltaWalker since this last one is not (for the moment) aware of extended attributes (from which Mavericks Tags are part of).

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Version 1.5.8
Invalid Member IconReview+32

This is a neat little diff app. Since a lot of the comments are about the lack of a demo I'll try to write about it in a bit of detail.

The workflow of this app is most similar to DiffMerge (which does have a demo) but with a better interface. You get a bunch of toolbar toggles to filter your results, two folder lists with changes in red and orphans in blue, and double-clicking a file opens the text differences in a separate new window—all like DiffMerge.

The UI is where this app shines. It's clean and well thought out, and the slew of filters it puts right on the toolbar really is excellent. Other diff apps have made me dig through menus or preference panes to toggle things like whitespace or whether I'm comparing by size, file date or file contents. A few apps have even made me dig through menus to toggle simple things like hiding identical results. This app does it all on-the-fly from the toolbar. It also lets you both drag and browse for files and has a handy progress bar while folders are scanned. Just a smart UI overall.

This app is also a true native Mac app which is pleasant. It's quick, smooth, and wonderfully small—like 3MB installed—which is impressive compared to a Java port like DeltaWalker that is 200MB installed (and clunkier).

Where this app falls a little short however is in the text comparison. It's functional but so far you can't free-form edit text (you can only copy differences left or right from what I see), it doesn't have syntax highlighting, and it only highlights whole lines of text as opposed to the particular changed words like some other apps. Hopefully the developer adds these features soon.

In the mean time, I'd highly recommend this app if you mostly compare FOLDERS. The folder view is especially clean and I found it easier to transverse folder differences with this than with DiffMerge, DeltaWalker, Araxis Merge, DiffFork and CompareMerge.

Last note: I'd like to thank the developer for still supporting OS X 10.6. It's my favourite OS and it's nice to still have a few developers looking out for me unlike cough Kaleidoscope cough.

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Version 1.5.6
Imarc845 Member IconComment+41

Two updates:
(1) Version 1.5.7 is currently in the Mac App Store
(2) Price is currently $4.99. That's not huge but it would be preferable for MacUpdate to indicate the correct pricing.

If this can do half of what I hope it can, it will be worth three or more times the updated price in time savings.

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Version 1.5.6
Macvet22 Member IconComment+25

As others, would like a demo version.
What use is the screenshot? Call me a technophobe if you wish after 28 years on computers, but it tells the ueer nothing about the attributes the app is supposed to be useful for... no rating as not tried yet, just comment.

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Version 1.5.2

Is it fair to give a half star to an application because it has no demo version?


Please refrain from assigning scores to "reviews" that are not actually reviews of the app itself, but rather your opinion of pricing or how it compares to the competition.

Reviews and ratings should be left by individuals who have actually used the title and have some insight to share about the app itself. Otherwise, please leave comments (to which this has been changed), or take advantage of the "Suggest Similar Software" feature. Thanks.

macpayne Member IconReview+18

How can I missed this app :(
I own both of Deltawalker and Kaleidoscope and starting now It seems I'll be starting to replace them with Visual Differ.
I really like VisualDiffer workflow and features that seems more understand what developers need.
And for $1.9 (I bought it when it's on sale), it's definitely a steal
I'm just hoping I found this app before I bought DeltaWalker(Oro version) and Kaleidoscope

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Version 1.5
Rc1969 Member IconReview+7

I have this as well as Kaleidoscope, and I go back and forth between them. Kaleidoscope has a somewhat more elegant user experience, though I suspect the VisualDiffer is actually more efficient to use for those who know what they are doing. And it's much cheaper.
I also appreciate the configuration options, such as being able to filter out .svn and other such files.
This is a very fine app.

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Version 1.5
Zo219 Member IconComment+506

To be fair—and to perhaps drive Apple crazy, hell, I don't know what's fair except this App Store no demo policy sucks—perhaps one should leave a comment on every app you're not going to buy without a demo.

Not to penalize MacUpdate—or the devs—but ...

Some developers are making demo downloads from their site. Great idea—it's called shareware. I may be getting just a little bit sick of the walled garden ...

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Version v1.1.2

Totally Agree, in fact I think MU should not list any app that is only available on the Cr...App store


I agree too. No trial, no download! The hell with this bloody app store!

Orytek Member IconComment+95

No demo to test it first? Looks like the appstore is really effecting the shareware concept. You can call it commercial but I call it No-Demoware

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Version v1.1.2
user icon+2
Version 1.6.0
user icon+14
Version 1.3
> 5 6


Current Version (1.x)


Downloads 19,090
Version Downloads 33
License Commercial
Date 20 Jul 2014
Platform Intel 64 / OS X
Price $4.99