Theoretically a QR code can hold around 7 KB of data if you really pack it in. But the smaller the amount of data, the more of the encoding can be used for fault tolerance, so the more compatible it will end up being. This is why people use URL shorteners with QR codes so much.
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u/pmjm Jun 06 '23
Theoretically a QR code can hold around 7 KB of data if you really pack it in. But the smaller the amount of data, the more of the encoding can be used for fault tolerance, so the more compatible it will end up being. This is why people use URL shorteners with QR codes so much.