Avoid downloading third-party apps to scan QR codes.

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

Google added a native QR code scanner tool to Android a while back, and it’s been a quick and simple way to reliably scan codes. Now, Google is taking things up a notch, by letting Android’s QR code ...

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 ...