If you are comfortable with the command line, you can convert a file in seconds without extracting it first by using the -r (rewrite) flag: extract-xiso -r "your_game.iso"
Once finished, you will have a new, smaller ISO file that is ready for Xemu or your modded Xbox. Pro-Tip: Command Line "Rewrite" Method Convert Iso To Xiso
Cross-platform (Android/ChromeOS compatible), privacy-focused (no data leaves your PC). Cons: Does not work on Firefox or Safari. 3. BatchConvertIsoToXiso (For Large Libraries) If you are comfortable with the command line,
Open the app and set the drop-down menu to Rewrite . You might want to check out how to
Highly reliable, creates the smallest possible output by repacking data.
You might want to check out how to set up Xemu for the first time or explore the original Xbox compatibility list to see how your newly converted XISOs will perform. The Easiest ISO to XISO | Extract Xiso GUI (2026)
How to Convert ISO to XISO: A Complete Guide for Xbox Emulation