How much data can a QR code store, and how does it work? QR codes encode numeric, alphanumeric, byte/binary data, and Kanji characters. They can store up to 2953 bytes of data. But just like any ...

The humble QR (or Quick Response) code has become ubiquitous. Invented back in the 1990s to scan car parts, the barcodes got a popularity boost during the pandemic when touchless tech became ...