How to create a QR with the command line

1. Install qrencode

Linux $ sudo apt-get install qrencode

MacOS $ brew install qrencode

1. Create the QR:

$ qrencode -s 10 -l H -t PNG -o "qr.png" "my-awesome-string"

Remember:

• s: size in dots (pixels)
• l: correction level (L)ow to (H)igh
• t: type, defaults to PNG
• o: output filename