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 ...

To avoid this threat, you should use trusted apps provided by the device manufacturer to scan QR codes and avoid downloading custom QR code apps.

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.

Soon, you'll be able to use the Snipping Tool to scan QR codes in screenshots, finally giving you an easy way to use them on PC. You'll also be able to use Windows 11's emojis to annotate screenshots.

Open Windows Settings and navigate to Network & internet > Wi-Fi > Manage Known networks. Click on the arrow to the right of ...

Scanning a QR code without your phone requires a little help from Google or a webcam.

QR codes store information in both vertical and horizontal axes, which allows them to hold significantly more data. That extra amount of data is what makes QR codes so versatile.

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 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 ...