Software built into the cameras on iPhones and Android phones make quick work of decoding QR codes. How do you do that on a laptop or desktop computer?

Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other device, ...

QR codes are used for everything from opening a restaurant menu to making payments: just point your camera at the QR code, and your phone will automatically open the relevant page. But what happens ...

Get the latest federal technology news delivered to your inbox. Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that ...

QR codes are visual patterns that store data smartphones can read. AP Photo/Vincent Yu Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations ...