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

QR or Quick Response codes are one of the most popular ways to access information on the go. Invented in 1994 and once considered the wave of the future, part of the QR code revival that started in ...

You can use your iPhone to scan documents, QR codes, and other files using the Notes app and your camera.

Scanning a QR code with your phone is a common request, and should be simple, right? But it's not always as obvious how to do it as it should be. Read on for straightforward, illustrated instructions ...