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 are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, and phone numbers.

The native camera app on iPhone includes functionality that allows you to scan QR codes and access QR code content like URLs without having to download a third-party app. QR codes can include contact ...