Go into the options menu to adjust the compression level. A level of 5 to 9 is generally recommended for the best balance of file size savings and smooth loading times.
It is a popular, albeit older, utility to convert ISO/BIN to PBP . Prepare Files: Have your .bin / .cue files ready. Run PSX2PSP: Open PSX2PSP.exe . Set the ISO/PBP File path to your game. Set the Output PBP folder to where you want the file saved. Ensure the Game Title is correct. pbp psx roms