Several tools are considered "gold standards" in the Xbox homebrew community for this process:
This will list the files inside the ISO to ensure the default.xbe is present and the structure is intact.
Emulators such as Xemu require games to be in XISO format to boot correctly. convert xbe to xiso
This is the standard command-line tool for the job, but it also has a user-friendly GUI version.
Qwix is abandonware. Use it at your own risk, but it is generally considered safe in the modding community. Several tools are considered "gold standards" in the
You have now successfully converted your loose XBE and assets into a playable Xbox ISO disc image.
The most reliable way to create a valid XISO today is using the tool. While originally designed to extract ISOs, it is also the gold standard for creating them. Qwix is abandonware
This is a detailed guide on how to convert Xbox Executable ( .xbe ) files into Xbox ISO ( .iso or .xiso ) format.