Windows

How to Convert .gcm to .iso

You’ve just downloaded a game for your Game Cube. You open the file, and what do you find. The file is a .gcm. You might be wondering what to do next. Today, we are going to find solutions to this.

Many retro games that come designed for consoles with optical disk drives are available for free download. Though they rarely come in .gcm format, this tutorial will show you how to convert .gcm files to .iso. It converts the file into a disk image that can be burned to an optical disc that you can use on your console.

What is .gcm

The name .gcm is used to refer to files with the file extension type ‘.gcm.’ this is most common for games downloaded from the internet, but not meant to be played on your PC. The game is intended to be burned to a mini-disk and enjoyed on your Nintendo GameCube.

Where is it used?

The most common use is in the gaming community. The file format enables all the game files to be placed in a single file for unpacking later. It avoids individual files being lost or deleted by your anti-virus when it misidentifies them as threats.

How do I access my .gcm files?

They can be accessed via archive software such as WinRAR. However, the file itself can’t be processed by its intended console before it has been converted.

Why convert my .gcm files?

Simple, .iso files have more ways in which the file can be used/processed. The file can be mounted to a virtual drive and also be burned onto your preferred optical disc.

3 solutions to convert .gcm to .iso

Now we’ve got the basic knowledge on .gcm files, time to look at conversion. Below is a list of some simple conversion solutions.

1. Rename the file extension

It is the easiest method by far — Right-click on the file. Navigate to the ‘rename’ option and click it. Now change the file extension to .iso. If you can’t see the file extension, go to the folder options. Click view and uncheck “hide extensions for known file types.”

The illustration below shows how to change the file “Shark 3D.gcm” to “Shark 3D.iso.”

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2. Game cube iso tool download

GameCube ISO Tool (GCIT) is a purpose-built conversion tool focused on converting .gcm files to .iso files. Since the rename solution causes instability after converting files larger than 1.3GB, this nifty bit of software addresses that. It works considerably fast on large files and can be downloaded online for free. Great, huh?

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3. Use an application

Most archiving tools allow you to convert files in seconds. Just add your file to your application of choice. Navigate to the convert icon. Select your output conversion file type (.iso) and click start/covert. Your file should be converted shortly, depending on size and processor capabilities.

Properly built emulators, like dolphin, can also do the trick. Not only can it let you play games intended for Nintendo GameCube and Wii on your computer. It also comes with a conversion capability, enabling you to convert dump formats from .gcm to .iso.

For small files that aren’t that much of a deal, I go for the rename solution. However, if the file is of great value to me, I use the GameCube ISO Tool.

Conclusion

Conversion from .gcm to.iso is a no-brainer. Being the tech-savvy guy that I know you are, I’m sure you know the obvious. Always make a copy of the original file before conversions if you make a mistake that disrupts the file.

I always convert my .gcm files to .iso. It’s just because they are that much easier to work with. They offer more functionality and are very well known. It makes it easier to find help in online forums if you hit a roadblock during your file conversion.

Do you often convert your files? What’s your reason for conversion?

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