So you downloaded an .iso image, and now you want to convert it to .dmg format? How can I convert .dmg to a Windows-compatible .iso on Mac? Don’t bother downloading any third party software, you can easily convert .dmg to .iso or .iso to .dmg format using the Terminal or Disk Utility on Mac OS X.
The process of burning a DMG to USB in Linux is a little more complicated since it requires converting the file to an ISO before burning it to a drive. It also requires command line executions, but if you own a Linux machine you may already be familiar with command line work. This article shows you how to convert DMG files to ISO files on Windows, Mac and Linux. Method 1: How to Convert DMG to ISO on Windows 10 (DMG2IMG) DMG2IMG is a software utility that converts DMG files into Apple's older IMG format as well as the universally used ISO format. Browse to the.DMG or ISO file you would like to convert, select it and click on the Choose button. In the pop-up window, select Desktop as your destination. In order to convert.dmg to.iso, make sure to choose DVD/CD master as the Image Format. Click on Convert. If you want to convert.iso to.dmg, set the Image Format to “compressed.
Jul 18, 2012 Convert DMG to CDR or ISO with Disk Utility. It’s important to point out the file extension method typically works fine on a Mac but if you want to use the resulting image to burn a bootable disk, or burn it through Windows or Linux, you’ll probably want to go with the more complete method shown below. Extract/Convert to ISO any disk image Create ISO from CD/DVD/Blu-ray disks and folders. Support of DMG, RAR, 7Z, PKG. (20+ formats) Command line support. May 02, 2019 Convert DMG to ISO Via Apple Disk Utility. Apple Disk Utility is native macOS software for working with embedded disks. On Windows, the application serves to convert macOS files.
Method 1: Convert Between .DMG and .ISO Using Terminal
Mac OS X has a command line tool called hdiutil which allows you to create, mount and convert different types of disk image with ease. Here’s how to convert .dmg to .iso format using the Terminal:
hdiutil makehybrid -iso -joliet -o ~/Desktop/filename.iso ~/Desktop/filename.dmg
When the process finishes, you’ll get an ISO image that is compatible with Windows, Linux, Ubuntu and Mac.
If you need to convert a disk image from .iso to .dmg, just execute the following command in the Terminal window:hdiutil convert ~/Desktop/filename.iso -format UDRW -o ~/Desktop/filename.dmg
Sit back and wait for the process to complete.
Method 2: Convert Between .DMG and .ISO Using Disk Utility
If you want to convert .iso to .dmg, set the Image Format to “compressed” instead. Click on Convert and you’ll have a .dmg file ready to use.
hdiutil makehybrid -iso -joliet -o ~/Desktop/filename.iso ~/Desktop/filename.cdr
Conclusion
DMG is a disk image format commonly used by Mac OS X, but it’s practically unusable on Windows or Linux platform. After converting .dmg to .iso on your MacOS, you can copy it to any Windows or Linux computer for burning or mounting.