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DMG is nothing but disc image file mostly used in Mac OS X operating system. Most of the apps out there are available as DMG files and the file type is very familiar to Mac OS X users. Windows operating system doesn’t support DMG files out of the box and we need to take the help of third-party tools to open DMG files in Windows.
Remember, if you are using Mac then DMG file is enough to install apps and operating systems, but in Windows systems, you will have to convert the DMG to ISO in order to make it usable. It is suggested that you download and copy the DMG file on your Windows computer first then perform the above methods to. DMGConverter is a Disk Image (.dmg,.cdr,.iso) creation and conversion tool which is simple and easy to use. It is a very useful tool for the collective processing of more than one file and every folder, and it can deal with all the fundamental processing with the drag & drop of the file/folder.
If you have a DMG file and want to convert the same to ISO on a computer running Windows operating system, there are plenty of ways to do it. In this guide, we will discuss the methods that you can use to convert DMG to ISO on Windows PC.
Convert DMG file to ISO using DMG2IMG (free)
Probably the best method out there to convert DMG to ISO file on Windows for free. The method requires you to execute a simple command from the Command Prompt. If you aren’t familiar with Windows Command Prompt, you don’t need worry about it as the command is very easy.
Step 1: Visit this page and download dmg2img zip file. On the developer’s page, please click the win32 binary file to download dmg2img zip file.
Step 2: Extract the contents of the downloaded dmg2img zip file to a New Folder.
Step 3: Next, hold down the Shift key on your keyboard, perform a right-click on the New Folder containing the contents of dmg2img, and then click Open command window here option to open Command Prompt.
Step 4: Finally, execute the following command:
dmg2img <oldfile.dmg> <newfile.iso>
After entering the command, hit Enter key.
In the above command, replace <oldfile.dmg> with the path to the DMG file that you want to convert to ISO. Likewise, replace <newfile.iso> with the location where you want to save the converted ISO file.
For example, if the DMG file is located in C:Apple folder and its name is Test, then we need to enter C:AppleTest.dmg in the Command Prompt.
DMG to ISO using PowerISO
The well-known PowerISO software also supports converting DMG file to ISO with the click of mouse button but then it’s not free. If you have PowerISO on your PC, follow the given below instructions to convert DMG file to ISO.
Step 1: Start PowerISO program. If it isn’t installed, visit this page to download PowerISO.
Step 2: Once PowerISO program is launched, click Tools and then click Convert to open Convert dialog box.
Step 3: Click the Browse icon located under Source file section and select your DMG file that you want to convert to ISO.
Step 4: Select the Destination file as ISO, select a destination location to save the converted ISO image and then click OK button to begin converting the selected DMG file to ISO.
Convert DMG to ISO using Any2ISO
Any2ISO Lite is a free software designed to convert popular disc image types to ISO with a few mouse clicks. However, the Lite (free) version of Any2ISO supports only files up to 870 MB. That is, if the DMG file is larger than 870 MB, you can’t use Any2ISO and you better go with the first method.
If the DMG file is smaller than 870 MB, follow these instructions.
Step 1: Visit this page to download the Any2ISO Lite edition. After downloading the software, install the same by running the setup file.
Step 2: Run Any2ISO, click Open image button to browse to the DMG file and select the same.
Step 3: Make sure that the option Convert to ISO image is selected (see picture) before clicking the Convert button. Once done, you’ll see an option to open the output ISO file in Windows Explorer. That’s all!
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.
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:
- Just press Ctrl + Alt + T on your keyboard to open the Terminal.
- Enter the following command into the Terminal window, assuming that you’ve put the .dmg file on your desktop.
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
- Just launch Disk Utility (in /Applications/Utilities). In the menu bar at the top of the screen, select Images -> Convert.
- 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” instead. Click on Convert and you’ll have a .dmg file ready to use.
- Simply rename the converted .cdr file to .ISO and you’ll get a Mac-compatible .ISO image. However, a renamed file won’t work on Windows or Linux. To make a Windows/Linux/Mac compatible .ISO file, you have to convert the .cdr file to .iso format using this command:
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.