It merges multi-file games (like PS1 games with dozens of .BIN tracks) into a single, clean .CHD file.
If the tool reports “No errors”, the file is intact.
chdman.exe is a powerful tool for managing CHD files used in MAME. It's part of the broader effort to preserve and enjoy classic arcade games through emulation. Users interested in arcade game preservation and emulation will find chdman.exe to be a valuable utility. chdman.exe download
Open a new Command Prompt and type chdman -h . You should see the help screen, confirming everything works.
| Task | Command (Windows) | |------|--------------------| | from a raw image | chdman createcd -i game.iso -o game.chd | | Extract a CHD back to its original format | chdman extractcd -i game.chd -o extracted.iso | | Convert a CHD from one compression level to another | chdman compress -i game.chd -o game_new.chd -l 9 | | Verify the integrity of a CHD file | chdman verify -i game.chd | It merges multi-file games (like PS1 games with dozens of
chdman.exe stands for CHD Manager. It's a tool provided by the MAME team that allows users to create, convert, and manage CHD files. These files are essentially compressed images of hard disks used in some arcade machines. The tool can be used for various operations such as:
Below are the most common commands new users need. All examples assume you are in the folder containing both the source file and chdman.exe . It's part of the broader effort to preserve
Because it’s a standalone executable, you can run it without installing the full MAME front‑end, making it handy for batch scripts, retro‑gaming archives, and preservation work.