Creating a Chrome OS ISO from Ubuntu is surprisingly straightforward once you have the right tools. Instead of relying on Windows utilities like Rufus, Linux gives you full control using simple terminal commands. All you need is the Chrome OS recovery image (bin file), the Brunch framework, and the ability to extract and rebuild the system into a bootable format. Once downloaded, you can unpack the recovery image, merge it with Brunch, generate the EFI-compatible files, and turn everything into a clean, install-ready image. It feels technical at first, but once you run the commands, Ubuntu handles most of the heavy lifting automatically.
After combining the recovery files with Brunch, you can convert the finished build into an ISO using tools like mkisofs or genisoimage directly from the terminal. This gives you a proper bootable Chrome OS image that works on laptops and desktops just like any standard installer. Whether you're testing Chrome OS on unsupported hardware, building your own portable OS, or preparing a clean installation for another machine, Ubuntu makes the whole ISO creation process fast, flexible, and fully customizable.
PowerShell Commands
wsl --install
Ubuntu Commands
sudo apt update && sudo apt -y install pv cgpt tar unzip
cd /mnt/c/users/NAME/downloads/chromeossudo bash chromeos-install.sh -src chromeos.bin -dst chromeos.img
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