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?

Scanning QR codes has gotten easier, and now you have multiple options Reviewed by Ryan Perian Scanning a QR code with your Samsung phone is as simple as pointing your camera at the code. Once the ...

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 ...