3 Easy Ways to Free Convert DMG to ISO

How to free convert DMG to ISO file? I’m using an Macbook Air with Mac OS X and have a .dmg file need to be converted. I used to install new software with DMG file. But right now I do need to convert it to ISO file. Can I convert it with Disk Utility? How to do it? Any help?

For various reasons, you will have the need to convert DMG to ISO. This post shows 3 simple and free ways to help you turn DMG into ISO file. Whether you want to free convert DMG on Mac or Windows PC, you can find suitable DMG to ISO converter tools from this page.

Convert DMG to ISO

Convert DMG to ISO

Part 1. How to Free Convert DMG to ISO on Mac

If you are a Mac user and have the need to free convert DMG to ISO, you should pay more attention to this part. Two free solutions are offered to make sure you can handily make the DMG file conversion.

Convert DMG to ISO with Disk Utility

In fact, it’s quite simple to convert DMG to ISO on Mac. Considering that, DMG is the native disk image format used by Apple. Apple provides a Disk Utility to help you make the conversion from DMG to ISO with ease. Now you can follow the steps below to convert your DMG file.

Step 1Double-click the DMG file and open “Disk Utility” on your Mac.

Step 2Choose and right-click on the “DMG Mount”. Then choose “Convert” option from the drop-down list.

Disk Utility

Step 3Click the “Image Format” and then choose “DVD/CD master”. Click “Save“ to confirm the operation to convert DMG to ISO.

Image Format

Convert DMG to ISO with the command line

You can also rely on the command line to convert DMG to ISO on Mac. You can take the following guide to do it.

Step 1Click “Utilities” and then “Terminal” to open “Terminal” on your Mac.

Step 2Type the file paths as below, and then press “Enter” to confirm the operation. You can find that your ISO file is with an additional .cdr extension which can be easily changed to .iso. You can rename the file extension to make the conversion from DMG to ISO.

Convert DMG to ISO

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Part 2. How to Convert DMG to ISO on Windows

You need to rely on some DMG to ISO converter tools if you want to change DMG to ISO on Windows PC. Here we introduce you with one popular DMG converter, dmg2img to help you get the job done. You can free download it and then take the following guide to convert DMG file.

Step 1First, you need to download the DMG to ISO converter on your computer. After downloading the file, locate and right click on it. Then choose “Extract All” from the pop up window.

Extract All

Step 2Select a suitable place for the extracted binary file. You can put them to Download folder.

Step 3Press Shift key on keyboard and right click on the “Downloads library”. Choose the “Open command window here” option. Then you can use following command syntax like dmg2img <source file.dmg> <destination file.iso> to convert DMG.

Open Command Window

Part 3. What is DMG

At the first two parts, we show two methods to help you convert DMG to ISO. Actually, many users still know little about what DMG file is. In the last part here, we will try giving you a basic introduction about DMG.

DMG is one mountable Apple disk image mainly used in macOS. You can take it as a digital reconstruction of a physical disc. It is commonly used to store compressed macOS software installer. So when you download Mac software from internet, it is more likely a DMG file. DMG file carries raw block data with both compressed and encrypted. Some DMG files even can be protected by password.

All new Mac OS versions support DMG format. While for the old Mac OS versions, they are compatible with IMG, rather than DMG. DMG now used in Mac OS replacing the old IMG format.

We have talked about how to convert DMG to ISO on Mac and Windows in this post. Two free DMG to ISO converters are recommended to help you make the DMG file conversion. What’s more, we tell some basic information about DMG file.

If you have any better solution to convert DMG to ISO file, please tell us and other readers in the comment.

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April 28, 2019 09:16 / Posted by to BD/DVD