Originally developed by the MAME (Multiple Arcade Machine Emulator) team, CHD was designed to compress hard drive and CD-ROM images from arcade machines. Unlike ZIP or RAR, which compress files individually, CHD compresses the raw sector data of a disc. It uses advanced algorithms to identify redundant data, effectively shrinking a 700MB CD-ROM to as little as 100MB without losing a single bit.
The basic syntax is straightforward:
You have two primary options to get chdman : convert chd to iso
For Windows users, the most efficient way to convert one or multiple files is using a simple batch script. Originally developed by the MAME (Multiple Arcade Machine
# Build chdman command cmd = [ self.chdman_path, 'extract', '-i', str(chd_path), '-o', str(output_file) ] which compress files individually