[upd] - Download Chdman.exe

Download report — chdman.exe

What chdman.exe is

• chdman.exe is the Windows command-line tool included with MAME/MESS for creating, converting, and manipulating CHD (Compressed Hunks of Data) disk/image files.

is a component of the MAME (Multiple Arcade Machine Emulator) project, the safest and most reliable way to obtain it is by downloading the full MAME package: Official MAME Website : Download the Windows binary from the MAME Release Page Extraction : After downloading the MAME self-extracting archive (e.g., mame0284b_x64.exe ), run it to extract the files. chdman.exe will be located in the root directory of the extracted folder. Alternative Sources

Setting up a batch script to convert your whole library at once How many files are you trying to compress? download chdman.exe

Option C: Third-party standalone builds (not official, use caution)
Some users repackage only chdman.exe on forums like Reddit or ArcadeControls, but these aren't vetted. Download report — chdman