Ventoy makes reinstalling operating systems or testing Linux distros much easier.

Install Ventoy once, then simply copy ISO files to your USB drive, no need to reformat it every time you add another image. It also supports multiple operating systems, Secure Boot, persistence, and many rescue tools.

GitHub: https://github.com/ventoy/Ventoy

More details: https://digitalescapetools.com/tools/tool.html?id=ventoy

More privacy-friendly tools: https://digitalescapetools.com/