If you’re still rocking a PlayStation Portable (PSP) — whether it’s the 1000, 2000, 3000, or even the PSP Go — you’ve probably heard of . And if you’ve searched for “iso tool 131 pspiso,” you’re likely looking for the legendary version 1.31, one of the most stable and widely used releases for handling PSP backups, decryption, and conversion.

is a versatile homebrew application for the PlayStation Portable (PSP) created by the developer Takka . It is primarily used to manage and manipulate ISO and CSO game files directly on the handheld console without needing a computer. What is iso_tool 1.31?

The query refers to (not 131 — likely a typo) and PSP (Personal Software Process), often used together in software engineering.

Got a PSP in 2026? Keep ISO Tool 1.31 on your memory card. Your retro gaming future self will thank you.