chdman — Manage and convert CHD (Compressed Hunks of Data) images. Commonly used with MAME and retro game ima

How to use the chdman command: Manage and convert CHD (Compressed Hunks of Data) images. Commonly used with MAME and retro game images. More information: <https://docs.mamedev.org/tools/chdman.html>.

chdman — Manage and convert CHD (Compressed Hunks of Data) images. Commonly used with MAME and retro game images. More information: <https://docs.mamedev.org/tools/chdman.html>.

Create a CHD from a BIN/CUE pair (CD-ROM image):

chdman createcd {{[-i|--input]}} {{path/to/file.cue}} {{[-o|--output]}} {{path/to/file.chd}}

Create a CHD from a raw hard drive image:

chdman createhd {{[-i|--input]}} {{path/to/disk.img}} {{[-o|--output]}} {{path/to/disk.chd}}

Extract (decompress) a CHD back to BIN/CUE:

chdman extractcd {{[-i|--input]}} {{path/to/file.chd}} {{[-o|--output]}} {{path/to/file.cue}}

Verify integrity of CHD file:

chdman verify {{[-i|--input]}} {{path/to/file.chd}}

View CHD metadata information:

chdman info {{[-i|--input]}} {{path/to/file.chd}}

Update a CHD file to the latest format version:

chdman copy {{[-i|--input]}} {{path/to/old_file.chd}} {{[-o|--output]}} {{path/to/new_file.chd}}

Convert a compressed hard drive image to uncompressed (for editing):

chdman extracthd {{[-i|--input]}} {{path/to/disk.chd}} {{[-o|--output]}} {{path/to/disk.img}}

tldr-pages: common/chdman