As smartphones have become more and more ubiquitous, so have QR codes. These maze-looking squares are a type of matrix bar code that contains data — usually, QR codes point to a website or open a ...

I am going to walk through how to unlock that hidden scanner in seconds on both iPhone and Android, then show practical ways to use it for shopping, travel, work, and security. Once you know where to ...

QR codes, short for Quick-Response codes, are pretty neat. You scan the code using your device's camera, which picks up embedded information, often to share details or direct you to a website. The ...

Receiving a QR code as an image creates an awkward problem: How do you scan it with the same phone? Both iPhone and Android have straightforward workarounds.

Back in July, Google widely introduced a redesign of the Android QR code scanner, but then rolled it back. The updated interface is now starting to reappear. This is the QR code scanner available from ...