Note: Use extracthd for hard drive/DVD images (like PS2/PSP) and extractcd for CD-based games (like PS1). 2. The Faster Method: Batch Conversion via Scripts
for /r %%i in (*.chd) do chdman extracthd -i "%%i" -o "%%~ni.iso" pause Use code with caution. Click . Set the "Save as type" dropdown to All Files (*.*) . convert chd to iso better
CHD is a lossless compression format primarily used by MAME and modern emulators like DuckStation or PCSX2. Because it is lossless, converting back to ISO will give you a perfect 1:1 bit-accurate copy of the original data. The Gold Standard: Using chdman Note: Use extracthd for hard drive/DVD images (like
Have a question or a better method? Share in the comments below. Because it is lossless, converting back to ISO
Many automated tools force the extractcd command on files that were originally compressed from a single-track DVD ISO. This yields a fatal error or a broken dump.