Always dump your own games. Support the developers who made these classics. But once you have your legal dumps, manage them the Better way.
(e.g., CHD is 700MB, ISO is 200MB)
If the command line feels intimidating, several graphical tools provide a "better" user experience for non-technical users: CHDMAN - Recalbox Wiki Convert Chd To Iso BETTER
You will find websites offering "Free CHD to ISO Online Converter." Here is why: Always dump your own games
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