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DropDMG allows users to quickly create .dmg archives.

Disk images pack entire folders or disks into a single compressed file, either for transport across the Internet or simply for backup. They are Apple's preferred format for distributing Mac software. Disk images are also the only archive format whose contents you can directly access in the Finder.

DropDMG is the easiest way to create Mac OS X disk images, as well as cross-platform archives. Just drag and drop a folder or file and you're done. Or, you can drag an existing disk image or archive onto DropDMG to convert it to any of the other supported formats or more...

What's New

Version 3.2.4:
  • DropDMG no longer posts errors to Notification Center. Instead, if DropDMG is not frontmost, it will bounce the Dock icon to alert you of an error.
  • Made some code signing changes for better compatibility with Mac OS X 10.9.
  • DropDMG is better at detecting errors when setting the background picture and arranging the icons.
  • Fixed a bug that could cause a more...


OS X 10.5.8 or later

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DropDMG User Discussion

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polocanada Member IconReview+26

Can also do Image compacting, although not so convenient to use but it does the job.

Reply0 replies
Version 3.2.3
Buggles Member IconReview+5

I think we can keep this one fairly short...

The functionality is superb. It works and once its set up I can't imagine for a second it could be any easier to use.

But by all the gods its a user experience train wreck. You will figure it out, you will absolutely feel that you have spent your money wisely... you will, at points, think the developers could think about the information architecture of the app.

Buy it, there's nothing better.

Reply1 reply
Version 3.2.2
C-Command Software (Developer)

Thanks for the review. It sounds like you were expecting a different sort of workflow. If you have a moment, we'd like to hear some more specific feedback at dropdmg@c-command.com.

EndoLab Member IconReview+95

I am upgrading my former comment of DropDMG.

This software is not expansive at all. Just look at the help page: http://c-command.com/dropdmg/manual-ah/

You can try it one month, definitely not the MAS.

The devoloper work on MAC since at least 12 years.

If we want good product we have to pay for it. I don't work for free.

The support seems very good to.

I bought it.

Reply0 replies
Version 3.2.1
Donmontalvo Member IconReview+1287

Gets better with time, very useful and reliable - and great support!

Reply0 replies
Version 3.2
EndoLab Member IconComment+95


Reply0 replies
Version 3.2
Surfspirit Member IconReview+442

Requirements are wrong, it has 64 bits support, it does not require it, also runs on 32 bits Macs!

Reply1 reply
Version 3.2

Thanks for the info! The listing's been updated.

Jimw Member IconComment+455

I occasionally make DMG files so seeing this product updated interested me. That was until I looked at the price and saw some of the other comments, which seemed to portray that that the product comes with mixed reviews.

Given that this product does only one thing, create DMG files, and its price, it seems to me to be targeted to a niche market: the professional that regularly creates DMG files for distribution; or the individual who wants their DMG files to look really professional and is willing to pay the price to do this. But for the rest of us, that occasionally makes DMG files for personal use, or to distribute to a few acquaintances, there are other, less expensive solutions on the market to accomplish this that also create reasonably attractively files.

So, if you need all the bells and whistles that this product product provides, and the price does not bother you, go for it. Otherwise I suggest you browse the alternatives listed above.

Reply0 replies
Version 3.2
nullmaster Member IconReview+35

I've been using DropDMG for years, and for those who need a reliable, robust, automated workflow for processing disk images, this software is worth every penny and more.

Technically, everything DropDMG does can be accomplished for free using Disk Utility, Terminal, and a lot of time to wash, rinse, and repeat the process. For one-off disk image processing, I often use Disk Utility because I don't need an end-to-end flow for that image.

When going through even more than just a few images, though, DropDMG is an incredible time saver. Combined with Michael Tsai's top-notch support, I wholeheartedly recommend this software and his other products (such as SpamSieve) if they are applicable to your workflow.

Reply0 replies
Version 3.1.3
Derekcurrie Member IconComment+715

$24. Or you could DIY with Apple's FREE Disk Utility. It's in your Utilities folder. Of you could automate it yourself with Apple's FREE Automator app using the "New Disk Image" command. Try it! It's not hard! It's FREE!

Reply2 replies
Version 3.1.3

Disk Utility might be free, but it has very few options.
DropDMG can put icons, backgrounds, and save configurations.


Not that smileys and frowns mean all that much in the scheme of things if you're dealing with intelligent human beings, but I don't agree with the morons who clicked on the sad faces, as if to say that your comment had no value.

Such idiots do not realize that the purpose, as far as I am concerned, is click on a smiley when you find a review or comment helpful, educational, insightful, informative, or useful in one way or another. These people wrongly click on the frown as some sort of a voting device to say that they do not agree with your remarks, as if they think their opinion matters.

I don't have the time or interest to go on a tear and rip such low class "reviewers" a new, broader periscope through which to see the world other than the narrow one they are using now, but I will go on record here and now to express my distaste for such childish behavior, not merely by writing this comment as a general statement to apply to all such comments throughout this website, but also to click once on a smiley to soften their rudeness.

So many people are inclined towards the negative pole that they fail to even recognize a helpful remark or comment when it smacks them right in the face, so they can't bring themselves to click a smiley when something says something useful, but they have itchy fingers to click on a frown whenever they disagree with something that doesn't conform to their preconceived notion or match their prejudiced point of view.

You pointed out something that veteran Mac users already know, or that new users ought to be aware of, so your comment is actually useful. Just because you exposed this particular application as a one-trick pony which does not nothing more than tap into a function of the Mac OS X that is already built-in to the system and is freely available to all users who take the time to read a Missing Manual and learn what goes on under the hood is no reason to downgrade your useful comment.

There are so many tiny applications designed to exploit one built-in feature of the Mac OS that, if we did a survey, we might discover that a significant percentage of the programs offered here consist of utilities programs which do not but provide interfaces to those built-in functions. By saying this, I do not intend to denigrate such applications, for they can be useful in themselves. If Mac users want to pay for applications which provide shortcuts to the Mac system software, then is their prerogative.

However, for those residing on the moron end of the intellectual scale to criticize you for pointing out that this particular program is nothing more than another one of those utilities which provides a shortcut to tap into the free built-in features is just plain wrong and entirely short-sighted. Such frowny clicks are either motivated by spite, or jealousy, or fear of competition if the truth were exposed to the less sophisticated users in the crowd.

In short, I don't care if people want to spend their money on a utility like this. That's their choice. But without comments offered by someone like you, unsophisticated buyers might not know that they have a choice NOT to buy this utility, because like so many offered for sale here at MacUpdate, the product is redundant of a feature that already exists for free in the Mac OS. You give us all the power to make an intelligent buying choice, and that is the essence of a good review.

More people should write such "exposes." Fewer reviewers and friends of the developers should just put a sock in it. They help no one.

Surfspirit Member IconReview+442

One of the best apps I ever found, well built, easy to use and very flexible!
In a nutshell:

- Fast DMG Conversion
- It auto splits DMG files in selectable sizes, for example DVD maximum size.
- It auto compress other DMG so it gets smaller ;)
- Easy saves to a pre selected folder, auto name new DMG files.
- The only app I tried that shows estimated time, and info resume of each DMG creation/conversion.
- It has great batch support, it even can auto delete de old files after conversion/creation.
- It also does ZIP if you want to, and cdr format so it's more compatible with windows etc,...

Reply0 replies
Version 3.0.7
user icon+0
Version 3.2.2
user icon+492
Version 3.1.2
user icon+0
Version 3.1.1
user icon+5
Version 3.0.4
> 5 29


Current Version (3.x)


Downloads 85,795
Version Downloads 4,329
License Demo
Date 28 Jan 2014
Platform Intel 64 / OS X / PPC 32 / Intel 32
Price $24.00
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