A PS3 ISO file is a single file that contains the entire contents of a PS3 game disc, including the game data, audio, and video. ISO files are essentially a digital image of the game disc, allowing users to play the game without needing the physical disc. PS3 ISO files are typically large, ranging from a few gigabytes to over 20 GB in size, depending on the game.
Open Google (or a privacy-focused alternative like DuckDuckGo) and type one of these strings: index of ps3 iso
intitle:"index of" "ps3" "iso" size
Add terms like "JB" (Jailbreak) or "CFW" (Custom Firmware) to narrow results: A PS3 ISO file is a single file
intitle:"index of" (ps3|playstation3) (iso|jb) -html -htm -php
Pro Tip: Add -mp4 -avi -mkv to exclude video files. Add "Parent Directory" to ensure you get real directory listings. Add terms like "JB" (Jailbreak) or "CFW" (Custom
Most of these indexes are on outdated personal servers or abandoned university hosting spaces. The majority of results from 2015–2020 are now offline.
RPCS3, the leading PS3 emulator, has a quickstart guide that explicitly tells you to dump your own games. They provide tools to decrypt and convert legitimate disc copies into playable formats.