qrencode

TLDR

Generate QR code to terminal

$ qrencode -t ANSI "[text]"

Generate PNG image

$ qrencode -o [qr.png] "[text]"

Generate SVG

$ qrencode -t SVG -o [qr.svg] "[text]"

Set size

$ qrencode -s [10] -o [qr.png] "[text]"

Read from stdin

$ echo "[text]" | qrencode -o [qr.png]

qrencode [options] [string]

qrencode generates QR code images. Versatile QR encoder.
The tool supports multiple formats. Full QR code generation.
qrencode creates QR codes.

STRING

Text to encode.

-o FILE

Output file.

-t TYPE

Output type (PNG, SVG, ANSI).

-s SIZE

Module size.

-l LEVEL

Error correction level.

-v VERSION

QR version (size).

libqrencode based. Multiple output formats.

qrencode uses libqrencode for QR code generation.