Ensure the correct command type is used. Most PS2 games are DVD-based, so extractdvd should be used. However, a small number of early PS2 games are CD-based, for which extractcd would be appropriate. If you are unsure, you can use the info function: chdman info -i "your_file.chd" .
Type the following command: .\chdman.exe extractcd -i "YourGame.chd" -o "YourGame.iso" (Note: If the source was originally a CD-based game, it may extract as a .bin and .cue file instead of a single .iso. This is normal and ensures data integrity.) Method 2: The "Drag and Drop" Batch File convert chd to iso
Remember that extracted ISO/BIN files will be much larger than the CHD compressed version. Ensure you have enough disk space. Ensure the correct command type is used
After conversion, two checks are recommended: If you are unsure, you can use the
Open a command prompt (CMD), PowerShell (Windows), or Terminal (macOS/Linux). Navigate to the folder containing your chdman executable and the CHD file you want to convert. For simplicity, it is best to place your CHD file in the same folder as chdman .