QR codes just got interesting thanks to a stealth update from Apple. ... The only limit is the number of characters a typical QR code can contain (7,089 numeric characters or 4,296 alphanumeric ...

When they came up with the standard QR code, it could store "up to 7,089 numeric characters, 4,296 alphanumeric characters, 2,953 binary bytes," which was significantly more than a simple barcode.

Unlike traditional barcodes, QR codes can handle up to 7,098 numeric characters or 4,269 alphanumeric ones. This capacity enables them to house digital resources such as user instructions, ...

Along with different standards for conventional QR codes, specifications for new iterations have been approved over the years, including MicroQR (11×11 modules containing as many as 35 numeric ...

QR codes are a technology that desperately wants our attention. ... The encoded data can be interpreted as one of four primary modes—numeric, alphanumeric, byte/binary, ...

Micro QR code: A smaller version of a traditional QR code for when space is limited. Micro QR codes can vary in size, but the smallest is 11 × 11 modules, encoding up to 21 alphanumeric characters.