The above code is not quite that large, it's only storing around 1.4 KB of data (shrunk down from 3.2 KB with Crinkler, slightly larger than the executable shown in the video because I decided to add a little more functionality). As such, virtually any computer data can theoretically be stored in a QR code provided it can fit within the size limitations.Ī QR code comes in various standard sizes, the largest being version 40 which can store up to 2,953 bytes (roughly 2.9 KB) of binary data. It's a simple but fully playable implementation of Snake.Ī QR code is a data storage medium like any other, and while it's almost always used to store ASCII text, it can also be used to store binary data. The above QR code contains a complete Windows executable that will run on Windows 7 and up.
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