If you are still downloading .iso files, you are doing it the hard way. Here is why .chd (Compressed Hunks of Data) is the gold standard for PSP emulation today:
Here are a few options for a post about , depending on where you plan to share it. CHD (Compressed Hunks of Data) is a popular format for saving space while keeping your PSP library playable on emulators like PPSSPP. Option 1: The "Resource Share" (Best for Reddit or Discord) psp chd internet archive
: Contains a large portion of the Redump-verified PSP library. PSP-CHD-ZSTD-Redump Part 2 : Continues the collection with titles like PSP Minis CHD Collection If you are still downloading
: Note that while emulators love CHD, standard custom firmware (CFW) on original PSP hardware typically requires .iso or .cso formats. You may need to convert CHD back to ISO if you plan to play on an actual PSP. Option 1: The "Resource Share" (Best for Reddit