QR codes can be scanned directly on the same smartphone without needing a second device. Android users can use Google Photos ...

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account ...

If your Android device is not scanning a QR code, there could be a number of potential issues at play.

You’ve almost certainly used QR codes before—it’s when you point your phone’s camera at a square barcode to access a menu, a form, or even an app, and then tap on the link that appears. But while most ...

QR codes are designed with alignment and scaling features, not to mention checksums and significant redundancy. They have to be, because you’re taking photos of them with your potato-camera while ...