eboot2iso.exe (command line or drag‑and‑drop).
DATA.PSP (the actual code) or PSAR (an encrypted data archive). psp eboot to iso
There are several legitimate scenarios where converting a digital PSP game (EBOOT) back to ISO makes sense: eboot2iso
If you need the actual download links to the tools (all open source or freeware), let me know. let me know.