qr

QR Code encoder written in Zig. See it in action here: bensengupta.github.io/qr

Usage

$ qr --error M "Hello world"

Options

$ qr --help

Usage: qr [options] <message>

QR Code options:
  -e, --error     Error correction level       ["L", "M", "Q", "H"]
  -q, --qzone     Quiet zone size                         [integer]

Options:
  -h, --help      Show help

Examples:
  qr "some text"
  qr -e H "some text"

Requirements

• Zig 0.13+

Run

$ zig build
$ ./zig-out/bin/qr "Hello world"

WebAssembly

$ zig build wasm
$ cp ./zig-out/qr.wasm web/

References

• ISO/IEC 18004:2015 QR Code bar code symbology specification
• Reed-Solomon codes for coders
• node-qrcode

License

MIT

The word "QR Code" is registered trademark of: DENSO WAVE INCORPORATED