The current gold standard for standalone PS1 emulation. It features incredible performance, internal resolution scaling (up to 4K), texture warping fixes (PGXP), and native CHD support.

Crucial Rule: Never delete the .cue file. Emulators require it to boot the game and play the background music correctly. CHD (The Modern Best Practice)

: Widely regarded as the best overall format . It offers significant lossless compression, reducing file sizes by roughly 30–50% without losing any data. It is natively supported by modern emulators like DuckStation and RetroArch .