Ventoy

Boot multiple ISOs from one USB drive. Just copy ISO files — no reformatting needed.

WindowsLinux Open Source Utilities

Ventoy revolutionizes bootable USB creation. Install Ventoy once on a USB drive, then simply copy ISO files onto it. Boot from the drive and choose which ISO to launch from a menu. No more reformatting for every new OS. Supports Windows, Linux, and many other ISOs. Works with BIOS and UEFI, including Secure Boot. Free, open-source, and cross-platform.