You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: just open the camera app, point your phone at the code, and tap ...

QR codes are a close cousin of the bar codes on product packaging that cashiers scan with infrared scanners to let the checkout computer know what products are being purchased.

QR codes are a close cousin of the bar codes on product packaging that cashiers scan with infrared scanners to let the checkout computer know what products are being purchased.

You can easily scan a document or QR code on Chrome OS with built-in device cameras and the Camera app. This walk-through will show you how.

Something there is that doesn't love a QR code, but that hasn't stopped leading QR code scanner makers Scan from serving up 25 million copies of their software. The company, which currently ...

Scan a QR code with your webcam Sometimes you have a QR code on a sheet of paper but your phone isn’t handy. Your laptop has a camera, though, and you can use it instead.