How to Convert DMG File to ISO Using Terminal on Mac

If you want to convert a Mac disk image file DMG to ISO format than its not much a difficult task. This conversion could be done through Mac Terminal easily.

The reason behind this conversion is that DMG is a file format which works on Mac only but if you want to transfer any DMG file to Windows system then first you have to convert it to Windows compatible file format ISO, otherwise the DMG file is useless for Windows.

So, follow the instructions written below to convert DMG file to ISO format.

Step 1

Click on Finder

Step 2

Click on Applications, and then click Utilities

Step 3

Double click on Terminal to launch

Step 4

In Terminal window type the following command and hit Enter button from keyboard. Here trickyways.dmg is our provided file name

hdiutil convert ~/Desktop/’trickyways.dmg’ -format UDTO -o ~/Desktop/’trickyways.iso’

Step 5

When Terminal completes process, you’ll find a file with .iso.cdr extension, as here is trickyways.iso.cdr besides the trickyways.dmg

Step 6

Click on trickyways.iso.cdr file & press enter to rename it. Delete .cdr extension

When you’ll try to delete .cdr the following Window will pop up, click on Use .iso option

Step 7

Now the extension of file is trickyways.iso

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