Software built into the cameras on iPhones and Android phones makes quick work of decoding QR codes. How do you do that on a laptop or desktop computer? I have a friend who calls me occasionally to ...

Posts from this topic will be added to your daily email digest and your homepage feed. You don’t need an app for this —your phone can do it already. You don’t need an app for this —your phone can do ...

You can scan the QR code on your own smartphone without needing a second device. Photo: Getty Images QR codes can be scanned directly on the same smartphone without a second device. We’ll show you how ...

In New South Wales, Australia, where Mr. Wilson lives, QR codes for tracking pandemic behavior are posted at restaurants and retail stores. However, if you print the 'File that describes the QR code ...

Learn how to identify fake QR codes and avoid scams. Spot QR code red flags before scanning and stay safe with these practical tips Learning how to identify fake QR codes from legitimate ones isn’t ...