Modern PS2 emulators, specifically PCSX2 and AetherSX2 (on Android), fully support CHD files, meaning no loss in performance.
Enthusiasts usually use a command-line tool called chdman (part of the MAME tools) or GUIs like or LazyCHD . ps2 chd roms
Switching from raw ISO files to CHD format offers three primary benefits for retro gamers. 1. Massive Storage Savings Modern PS2 emulators, specifically PCSX2 and AetherSX2 (on
chdman createdvd -i "game.iso" -o "game.chd" Modern PS2 emulators
chdman verify -i game.chd
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