You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

QR codes, which can be easily read with a smartphone camera, are used in various areas of daily life, such as as links to websites and for cashless payments. A page has been published that provides an ...

Storing computerised data, QR codes are commonly used for payment services. Here is how they differ from the traditional barcodes.