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

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.

I'm looking for a combination of Android tablet and app that will unlock, open a scanner app, take a photo to scan, and then open the resulting URL in a browser in the shortest amount of time possible ...

Scanning a QR code with your phone is a common request, and should be simple, right? But it's not always as obvious how to do it as it should be. Read on for straightforward, illustrated instructions ...