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How to Convert DMG to ISO (MacOS X and Windows)

In this article, we will learn How to Convert DMG to ISO (MacOS X and Windows). After you can successfully convert DMG to ISO, you can use the ISO file to make your bootable installer USB.

DMG files are common on MacOS X and can be used to represent a disk image. This full copy of a CD, DVD, or hard disk is typically distributed via DMG files.

You may want to use an ISO or CDR image instead sometimes for example because the other software required might be more suited to it, or if you wish to offer more options when burning an image onto a CD or DVD (e.g. is it for a video player, etc).

In this article, I’ll show you how to convert DMG to ISO on macOS and Windows.

If you didn’t download the macOS dmg file, here are a few useful links to download Big SurCatalinaMojave, and High Sierra.

Convert DMG to ISO on MacOS- Using ApplePi-Baker

Step 1: Download and install ApplePi-Baker first.

Step 2: If you want to mount the DMG file, double-click it first. Finder should open automatically and reveal the DMG as a “disk” available for viewing

Step 3: Start ApplePi-Baker and locate the mounted disk. Click Select a Disk, you will see the finder, now select the DMG file.

Step 4: Just select “Backup” in the File menu and then set the “File Format” to IMG. In a matter of seconds, you will have an IMG of your DMG file.

Convert DMG to ISO on MacOS- Using Disk Utility

Step 1: Mount the DMG file, double-click it first. The finder should open automatically and reveal the DMG as a “disk” available for viewing.

Step 2: Open Disk Utility

Step 3: Right-click the DMG Mount and select the “Convert” option.

Step 4: Set the “Image Format” to “DVD/CD master” and click “Save“

Step 5: After the converted file has been saved, locate it and rename it to .ISO. For example, if you saved it as “test.cdr” then now rename it to “test.iso”.

Convert DMG to ISO on MacOS- Using Terminal

Step 1: Open Terminal.

Step 2: Enter the following command:

hdiutil convert /path/to/example.dmg -format UDTO -o /path/to/example.iso

Step 3: Wait for the process and now enter the following command:

mv example.iso.cdr example.iso

Convert DMG to ISO on Windows- Using DMG2ISO Tool

Step 1: Download and install DMG2IMG on your Windows computer.

Step 2: Browse the folder where you have downloaded DMG2IMG.

Step 3: Right-click on the folder by pressing shift on your keyboard and click – Open PowerShell Windows here.

Step 4: Lastly, enter the following command to convert the DMG file to ISO:

dmg2img "C:\Users\Sample User\Desktop\sample.dmg" "C:\Users\Sample User\Documents\ConvertedRandom.iso"

Once the ISO file has been created, you can use a burning tool to create the bootable USB drive.

Conclusion: How to Convert DMG to ISO (MacOS X and Windows)

I hope this article on How to Convert DMG to ISO (MacOS X and Windows) was helpful. If you face any issues you can comment below.

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