: The traditional "uncompressed" format. While highly compatible, it consists of two files per disc and takes up the most space. 3. Essential Tools for Your Archive
If you are curating a collection and only want the absolute essentials, start here: archive ps1 roms best
MAME’s CHD format compresses bin/cue files by 30–50% with zero data loss. It’s lossless, merges multiple bins into one file, and works perfectly with DuckStation, RetroArch (Beetle PSX), and PCSX2. This is the best format for everyday use and archiving space. : The traditional "uncompressed" format