PSX2PSP is the most efficient tool because it automates the extraction into a single click.
Don't panic if your output folder contains a .bin and a .cue file instead of a single .iso file. PlayStation 1 games utilized specific audio tracks that standard ISO formats sometimes struggle to preserve. A BIN/CUE pairing is completely normal, structurally identical to an ISO for emulation purposes, and widely supported by all major emulators. Always keep the .bin and .cue files together in the same folder. If you need help setting up your emulator, let me know: convert pbp to iso
Converting PBP to ISO is straightforward with PSX2PSP. While the PBP format is space-efficient and great for PSP emulation, standard ISO/BIN remains the universal language for CD-based emulators and real hardware. Once converted, you can patch, burn, or play your game anywhere. PSX2PSP is the most efficient tool because it