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Quickly create disk image (dmg) archives.

4.4
Based on 31 user ratesRead reviews & comments
$24.99
One-Time Purchase
Buy Now

DropDMG overview

DropDMG is the easiest way to create macOS disk images, which 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. 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 to burn it to CD or DVD.

DropDMG supports advanced options such as signed, encrypted, and segmented disk images; WYSIWYG layout with background pictures and custom volume icons; and rich-text license agreements in multiple languages. There are many time-saving features, and it can also be automated via AppleScript, the command-line, and Automator.

What’s new in version 3.6.5

Updated on Oct 17 2022

  • Made various code modernizations.
  • Updated the Create macOS Install Disk prompt and documentation for macOS 13 Ventura.
  • Renamed Preferences to Settings for macOS 13.
  • DropDMG now requires macOS 10.13 or later.
  • Updated the Signing section of the manual.
  • Fixed a bug that could cause a crash when type-selecting in a table view.
View older DropDMG updates

Information

License

Shareware

Size

26.4 MB

Developer’s website

https://c-command.com/dropdmg/

Downloads

102071

App requirements

  • Intel 64
  • Apple Silicon
  • macOS 10.13.0 or later
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0.0
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There are no reviews yet
Aargl
Aargl
Nov 8 2020
3.6
4.0
Nov 8 2020
4.0
Version: 3.6
Trying v3.6 I had a "no mountable filesystem" error after converting a sparsebundle to LZFSE — though verifying the dmg with DropDMG gave an "ok". So I tried with 3.5.10 and it worked. Trying again with 3.6 it worked! Well, I don't know if it's a MacOS or DropDMG inconsistency, but it's always better to check your files after conversion. ;-)
Aargl
Aargl
Feb 5 2020
3.5.9
4.0
Feb 5 2020
4.0
Version: 3.5.9
A must have for anything about disk images! The only app I could find that tells you to what algorithm a dmg was created — then you can decide if it's worth converting or not. It plays seamlessly between the usual formats. Quite perfect!
sbenitezb
sbenitezb
Aug 19 2018
3.5.4
5.0
Aug 19 2018
5.0
Version: 3.5.4
Switched from iDMG because DropDMG is still well maintained. Great application.
Cowicide
Cowicide
Dec 5 2016
3.4.3
0.0
Dec 5 2016
0.0
Version: 3.4.3
I don't know what's going on, but it's having trouble with 10.12.1 macOS Sierra. Took a very long time to create a blank, encrypted DMG (that wouldn't eject until I forced it in Terminal) while Apple Disk Utility did it in seconds without any trouble. Same thing with a different computer as well.
Bluenut
Bluenut
Nov 6 2016
3.4.3
5.0
Nov 6 2016
5.0
Version: 3.4.3
Great utility - more than ever since 10.12
GymW
GymW
Aug 24 2016
3.4.1
0.0
Aug 24 2016
0.0
Version: 3.4.1
This seems to be mostly a GUI version of the hdiutil command, that is part of the OSX Unix command structure. Those who want to try their hand at it can create a Service using Automator and the "Run Shell Script" action item with the following command for a simple version of this (ignore brackets):
{hdiutil create -fs HFS+ -srcfolder "__OBJ_PATH__" -volname "__OBJ_NAME_NO_EXTENSION__" "__OBJ_PARENT_PATH__/__OBJ_NAME_NO_EXTENSION__"}

I used a free, old but reliable product called "On My Command" from Abracode to get this service. It is item 509 in the command listings. I have been using it for years. It makes it very handy and fast to have as a Service as opposed to an App.
Panocha
Panocha
May 25 2016
3.3
0.0
May 25 2016
0.0
Version: 3.3
Fake/bad link. Get directly from C-Command; http://c-command.com/downloads/DropDMG-3.3.dmg
polocanada
polocanada
Nov 5 2013
3.2.3
5.0
Nov 5 2013
5.0
Version: 3.2.3
Can also do Image compacting, although not so convenient to use but it does the job.
Buggles
Buggles
May 24 2013
3.2.2
4.5
May 24 2013
4.5
Version: 3.2.2
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.
EndoLab
EndoLab
Mar 26 2013
3.2.1
5.0
Mar 26 2013
5.0
Version: 3.2.1
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.
Donmontalvo
Donmontalvo
Nov 29 2012
3.2
5.0
Nov 29 2012
5.0
Version: 3.2
Gets better with time, very useful and reliable - and great support!
EndoLab
EndoLab
Nov 9 2012
3.2
5.0
Nov 9 2012
5.0
Version: 3.2
expensive
Surfspirit
Surfspirit
Nov 7 2012
3.2
4.5
Nov 7 2012
4.5
Version: 3.2
Requirements are wrong, it has 64 bits support, it does not require it, also runs on 32 bits Macs!
GymW
GymW
Nov 7 2012
3.2
0.0
Nov 7 2012
0.0
Version: 3.2
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.
nullmaster
nullmaster
Jun 6 2012
3.1.3
5.0
Jun 6 2012
5.0
Version: 3.1.3
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.
Derekcurrie
Derekcurrie
May 9 2012
3.1.3
0.0
May 9 2012
0.0
Version: 3.1.3
$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!
Surfspirit
Surfspirit
Aug 30 2011
3.0.7
4.5
Aug 30 2011
4.5
Version: 3.0.7
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,...
Donmontalvo
Donmontalvo
Jun 10 2011
3.0.7
5.0
Jun 10 2011
5.0
Version: 3.0.7
Before I review, I'd like to resolve an issue where background images do not show up. I tried JPG, PNG, etc. I tried to sign on to the forum. No luck. I just emailed the developer. I bought this but may need to request a refund if it can't do such a basic thing as placing a background image in a layout. Hoping it's an easy fix, or maybe I'm doing something wrong? :) Don
anonymous-mule-4061
anonymous-mule-4061
May 17 2011
3.0.6
5.0
May 17 2011
5.0
Version: 3.0.6
This is really an impressive program that works pretty straightforward and simply yet can do a lot of things when you look under the hood (read through the help). It is great for working with various kinds of archives--dmg's, zips, etc.)--making them, converting them, burning them or what not.
Corpsecorps
Corpsecorps
Oct 3 2010
3.0.2
3.0
Oct 3 2010
3.0
Version: 3.0.2
Gave version 2, 5 stars. Version 3 has more features and a new interface so it deserves a new evaluation including them. The features which were available in version 2 are even better and still deserve 5 stars However, I'm still finding the relationship of Layouts to configurations to the final creation dialog choice awkward. As the automated replacement of custom positioned icons in a layout requires filenames EXACTLY matching those in the folder from which the DMG is created, the feature is fairly useless except to a Dev releasing software & updates where the same set of files will be used each time. While it's nice having a grid to to allow easy alignment when positioning icons, there's no way to set the grid to have a correlation to that of the finder to allow proper alignment of icons with background images. This CAN actually be accomplished by nudging except the grid scale cannot be changed. All my attempts to accomplish the reverse; to create graphics in such a way that the icons placed automatically by DropDMG would happen to align with them, failed. (e.g. I created a background image with 6 regularly placed spaces for icons, but instead of the 6 icons falling into those spaces in my 3 x 2 grid, DropDMG decided to allow the icons to bleed off the background image in a 2 x 3 arrangement) The Layout setup allows the choice of the position of the upper left corner of the final DMG window, but lacks a way to specify the SIZE, auto-conforming it's size to that of the background image. Not always desirable. Unlike the finder itself, filenames in DropDMG's layout do not appear to be able to extend to 2 lines. I hope the layout features of DropDMG are enhanced to match the excellence of the DMG creation ones. I still use this for ALL archives not requiring a custom layout and/or license.
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