Web-based QR code scanners are another handy option for scanning codes with a laptop camera. Just visit a website that offers this service, grant access to your webcam, and point it toward the QR ...

What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

QR or Quick Response codes are one of the most popular ways to access information on the go. Invented in 1994 and once considered the wave of the future, part of the QR code revival that started in ...