To keep your PS2 CHD library current:

CHD files are a compressed disc image format that retains the original structure of optical discs (CDs, DVDs) while optimizing storage and read speeds. Unlike ISO files, which store full disc data redundantly, CHD files only save non-repeating data, reducing file sizes significantly. They’re widely used in arcade emulators but

: While modern PCs and phones handle CHD decompression on-the-fly with zero lag, extremely old or low-end hardware might see slightly longer initial loading times.

In summary, the key points to cover: