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How to Convert IMG to ISO in Windows and Mac

In this article, I will teach you. How to convert IMG to ISO. IMG and ISO are two disk image file formats. They are often used to store, distribute, or backup optical disc material and file system (CD, DVD, and Blu-ray Disc) to another disc or device.

Despite it having many similarities and practical uses, ISO is widely accepted as a standard/format for disc images. ISO files are compatible with almost all operating systems (OS) and disc burning software. so many other devices and OS have built-in tools that can extract and read disc files in ISO formats.

On the other hand, IMG files are usually compressed and thus unreadable by certain computers and disk image software. Due to this disparity in acceptability and compatibility, many users prefer to have ISO disc images/files.

If you find that you need to convert a disc image file from .img format to.iso, the tools and conversion methods in this post would be handy. They are relevant for both Windows and Mac operating systems.

1. Rename the File Extension

IMG and ISO disc image files have a similar data structure, except that the former can be compressed while the latter cannot be compressed. If an IMG file is uncompressed, you can convert it to ISO easily by renaming the file extension. The contents of the image file will function correctly and remain unchanged.

You can right-click the IMG file and select Rename from the context menu. Change the format (after the time symbol) from.IMG to.iso and press Enter on your keyboard.

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First, you open the renamed file and check if the ISO file can be mounted on your screen. If you get an error that says “Disk image file is corrupted,” the IMG file is most likely to be compressed. Revert the file extension to .img and use other methods below to convert IMG to ISO.

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If you can’t change the file extension because the IMG file doesn’t have the .img extension suffix attached to its name, here’s how to make Windows show the file extension.

You can open the File Explorer and go to the View tab. After that, select Options in the Quick Access Toolbar.

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In the Folder Options window, go to the View tab and uncheck the Hide extensions option for the known file types. Select Apply and then click OK. The IMG file you want to convert should now have a .img suffix in its file name.

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2. Use Third-Party Software

There are a lot of file management tools that provide file conversion services, and they do so beautifully. Some of these systems have been reviewed, and these are our favorites.

1. PowerISO

This tool allows you to convert about 30 different image file formats to ISO formats. Although file conversion speed depends on file size, PowerISO easily converted our sample IMG file to ISO.

It is important to remember that PowerISO operates on a freemium model. The free version gets the job done as quickly as the paid/registered version, but with some limitations. First, you cannot create, edit, or convert files that exceed 300MB as a free user. Second, there’s a 5-second pop-up (exhorting you to pay for the app) that you’ll need to see each time you open the app.

First Download PowerISO from the developer’s website and install it on your PC. You can select tools from the menu bar and choose Convert File Format.

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You can select the folder icon next to the Source File dialog box to choose an IMG file, check the Enable Password Security box if you want to secure the resulting ISO file with a password, then click OK to start the conversion.

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You can select the folder icon next to the Source File dialog box to choose an IMG file, check the Enable Password Security box if you want to secure the resulting ISO file with a password, then click OK to start the conversion.

2. MagicISO

This is another fantastic method for converting IMG files to ISO. It can convert up to 10GB files (in ISO format) in a single operation, but the free version has a restriction of 300MB. Unlike PowerISO, you don’t get irritating pop-ups when you open the app, or at any time during use.

Install and run the app on your PC, then go to Tools on the menu bar and choose Convert.

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Click the folder icon next to Choose the source file and pick the IMG file that you want to convert. Confirm that the output format is set to the Default ISO Image File (.ISO) and click Convert.

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Convert IMG to ISO on Mac

The above apps are only compatible with Windows PCs. If you’re using a MacBook or iMac, there’s a simple way to convert IMG to ISO without having to install third-party software. The only thing you need is the Terminal app.

Step 1. Go to Applications > Utilities and start the terminal application.

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Step 2. You can type or paste hdiutil convert and leave a space.

Step 3. Drag the IMG file you want to convert to the terminal console. Press the spacebar to exit the space and move to the next step.

Step 4. Type or paste-UDTO-o format in the console and press the spacebar.

Step 5. Again, drag the IMG file that you want to convert to Terminal, except this time, rename the file extension from .img to .iso. You’re required to have a string of commands, like the one below.

hdiutil convert /Users/name/folder/File.img -format UDTO -o /Users/name/folder/File.iso

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Step 6. You can press Return to execute the command.

The terminal will create a new copy of the file in the CDR format (i.e..iso.cdr) in the same path as the original IMG file.

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CDR is the Mac variant of the ISO disc image format. Press Enter to rename the newly generated file (removing the.cdr extension).

You can select Use .iso on the confirmation prompt.

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That’s it, Convert IMG to ISO file successfully. You can also use this trick to convert DMG files to ISO files.

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Conclusion:

These are the techniques and utilities that you can use to convert IMG to ISO reliably. Third-party software is your best bet if you are a Windows user. Otherwise, copy the IMG file to an external storage device and convert it to a Mac without any limitation on size.

If you have any questions or queries about this article, please comment below, and we’ll get back to you. Check more daily updates to get subscribe to our website and also you can get informational articles and much more etc.

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