Converting between these formats is usually done for one of three reasons:

Some very old homebrew designed for firmware version 1.50 can only run on newer custom firmware if converted to an ISO to "trick" the system into thinking it’s a UMD. Top Tools for Conversion

Place the finished file into the ISO folder on the root of your memory stick. Important Considerations

Converting an EBOOT.PBP to ISO involves three distinct phases: Extraction, Decryption, and Reconstruction.

A lightweight PC utility specifically designed to break down a PBP file into its raw ISO directory structure.

Choose a destination folder and click . This will create a folder structure, typically including a PSP_GAME folder. Step 2: Rebuild as an ISO Open UMDGen.

If you are trying to convert a PlayStation 1 game (PSX EBOOT) back to an ISO for use on a PC emulator, use PSX to PSP. Note that these will convert to .bin/.cue rather than a standard PSP .iso .