Method 1: Download via the Official MAME Release (Recommended)
Open (or PowerShell) and type:
The terminal sprang to life. Lines of data pulsed across the screen as the "Hunk Manager" began its work. It was like watching a master packer fit a house's worth of furniture into a single suitcase without breaking a single glass.
Double-click the .bat file to convert every compatible image in that folder to CHD. download chdman.exe
chdman.exe (Compressed Hunks of Data manager) is actually a sub-tool of the emulator project. It is not officially distributed as a standalone file, so the safest way to get the latest, most stable version is to download the full MAME package. Download : Go to the MAMEdev Downloads page .
Here’s a ready-to-post guide for downloading and using chdman.exe , written for forums, Reddit, or a blog.
Here is everything you need to know about how to safely download, install, and use chdman.exe . Where to Download chdman.exe Safely Method 1: Download via the Official MAME Release
Published: April 12 2026
: It merges multiple .bin tracks into one file, making your library much easier to manage.
| Parameter | Effect | Best For | | :--- | :--- | :--- | | -c zstd | Uses Zstandard compression (modern, faster decompression) | PS2, PSP | | -c lzma | Slower but highest compression ratio | Arcade CHDs, CD-based games | | -h 2048 | Sets hard disk sector size (default is 512) | Dreamcast GDI rips | | -f | Force overwrite of output file | Batch re-encoding | Double-click the
chdman createcd -i "game.cue" -o "game.chd"
: You can usually install it via your terminal using the mame-tools package (e.g., sudo apt install mame-tools ). Why Use CHD Files?
Right-click the .bat file, select , and paste the following script: