Downside: It takes an extra minute, but it’s completely free and accurate. For terminal fans, bchunk converts CD images, though it works best for standard data/audio CDs.

But MDF/MDS isn’t universally supported. Many modern emulators (like RetroArch, PCSX2, or Dolphin) and mounting tools prefer the older, simpler format. So, how do you convert without losing data or breaking the disc structure?

If you’ve spent any time backing up old games, CD-ROMs, or DVD-based software, you’ve probably run into the MDF/MDS format. This is the native format of Alcohol 120% , a popular tool for creating exact disc copies with copy protection.

bchunk image.mdf image.mds output.bin This generates output.bin and output.cue .

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