: Open a command prompt in that folder and type: chdman createcd -i "game_name.cue" -o "game_name.chd"
If you have dozens of ZIP files, doing them one by one is slow. You can use a batch script. Convert Zip To Chd
While ZIP files save some space, CHD (Compressed Hunks of Data) offers better compression, faster loading in many emulators (like MAME, RetroArch, and DuckStation), and keeps disc-based games as a single file. It’s ideal for PlayStation 1, Sega CD, TurboGrafx-CD, and arcade hard drive images. : Open a command prompt in that folder