The current king of PS1 emulation. It features incredible CHD support and upscaling.
Unlike MP3 or JPG, CHD reduces file size without losing a single bit of original data. chd psx roms verified
If you have a collection of .Bin/.Cue files and want to turn them into verified CHDs, you can do it yourself using (part of the MAME tools). The Verification Process: The current king of PS1 emulation