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Claus Valca edited this page Aug 18, 2026 · 2 revisions

❓ FAQ

Is this legal?

OpenROM is just a conversion tool — it doesn't distribute or download ROMs. Converting ROMs you own is generally considered fair use in most countries. We don't take any legal responsibility for how you use it.

Does it delete my original files?

No. OpenROM always creates a new file and leaves the original untouched.

Why is CHD so much smaller than ISO?

ISO files contain a lot of redundant error correction data from the original disc format. CHD strips that out losslessly and compresses what's left. Your game data is 100% intact.

Can I convert back?

Yes — almost everything is reversible:

  • CHD → ISO / BIN+CUE ✅
  • CSO/ZSO → ISO ✅
  • ECM → ISO/BIN ✅
  • XISO → ISO ✅

Does it support 3DS / Switch / NDS files?

Not currently. OpenROM focuses on disc-based consoles (PS1, PS2, Xbox, GameCube). Cartridge-based formats need different tools entirely.

Will there be a Flatpak?

Yes — Flatpak support is planned for v2.1. [Follow the repo] for updates.

Why no RVZ support for GameCube?

Dolphin already has a great built-in GUI for RVZ conversion — no reason to duplicate it. OpenROM focuses on tools that require terminal knowledge.

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