(Compressed Hunks of Data Manager) is the industry-standard tool for compressing disc-based games (ISO, BIN/CUE, GDI) into a single, high-efficiency file format. It is primarily used to save storage space—often reducing file sizes by up to 50–70% —while maintaining lossless quality.
This places the binary in your system path. where to download chdman
is a command-line utility used to compress and convert CD, DVD, and hard disk images into the CHD (Compressed Hunks of Data) format. It is highly popular for reducing the file size of retro game disc images (ISO, BIN/CUE) for use in emulators like RetroArch, Dolphin, and MAME. (Compressed Hunks of Data Manager) is the industry-standard
If you prefer not to download the full MAME suite, several community-driven sites offer lightweight, standalone versions or web-based tools. GDI) into a single