Quick Response Code (QR)

A Quick Response Code (QR) is a specific matrix two-dimensional barcode that is readable by dedicated QR readers, smartphones, and computers with webcams. Concretely, the square code consists of black modules arranged on a white background. The information encoded may be text, URL, or other data.

Initially designed for the Japanese automotive industry, the QR code gain popularity outside of the industry due to its fast readability and greater storage capacity. QR codes are notably used for product tracking, item identification, time tracking, document management and marketing.

How QR codes work?

Data such as URL link or a text message is translated into a code by a website generator. The information on the code can be read with a mobile camera that has a QR reader.