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

Watch out for quishing, or phishing through dodgy QR codes, the latest scam catching people unawares - costing some thousands of dollars. The good news is, you can try and avoid the trap. Quishing ...

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