QR codes

• QR code standards for different formats

Scan / decode QR codes

qrtool

• GitHub
• Rust
• encoding to image or decode from image
• No webcam support

Install:

sudo pacman -S qrtool

Other

• cobang

  • Python
  • cobang AUR package

• zbar

  • zbarcam or zbarcam-gtk from the zbar arch package
  • Not a nice UI: Decoded QR codes will only show up in the console

• decoder

  • Gnome app to scan and Generate QR Codes
  • Rust
  • Activly maintained
  • Arch package: sudo pacman -S decoder

Produce ascii/UTF8 qr codes

• List of QR code generators on Linux

zint

• Website
• GitHub
• Arch package
• Both cli and GUI tool

decoder

See above

Outdated

• qrencode
  • Last release 2020
• qr-code-generator-desktop
  • Last release 2020

Produce WLAN qr codes

• de-facto Wifi QR code standard
• Online QR-Code generator

with qrencode

qrtool encode "WIFI:T:WPA;S:My_Network;P:My_very_secure_Password;;" -o wifi_login.png
qrtool encode "WIFI:T:WPA;S:casita;P:$(rbw get 'wlan|whg1.3|casita');;" -t unicode

Script:

~/bin/wifi-to-qr-pdf.sh 90er

wifi-qr

• GitHub
• Produce terminal QR code from current connected wifi: wifi-qr
• Unfortunatly not scriptable

Install:

sudo apt install wifi-qr
pamac install wifi-qr