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This tutorial shows you a graphical tool for generating and reading QR codes in Ubuntu Linux. It’s QtQR, a GUI front-end of qrencode made in Python & Qt, which provides a simple and easy to user interface to encode text, url, bookmark, Email, telephone number, phonebook, SMS, MMS, Geolocalization and decode from image file or webcam.

QtQR QR code generator & reader in Ubuntu 13.10

QtQR QR code generator & reader in Ubuntu 13.10

What is QR code?

A Quick Response code is a two-dimensional pictographic code used for its fast readability and comparatively large storage capacity. The code consists of black modules arranged in a square pattern on a white background. The information encoded can be made up of any kind of data (e.g., binary, alphanumeric, or Kanji symbols)

Install QtQR

This simple application is available in Ubuntu universe repository since Ubuntu 12.10. Just search for and install qtqr in Ubuntu Software Center (Works for Ubuntu 13.10, Ubuntu 13.04, Ubuntu 12.10, Linux Mint 14/15/16).

For Ubuntu 12.04, Ubuntu 10.04, Elementary OS Luna, run commands below one by one in terminal (Ctrl+Alt+T) to install this tool from PPA:

sudo add-apt-repository ppa:qr-tools-developers/qr-tools-stable

sudo apt-get update

sudo apt-get install qtqr