What is a QR code? How Do QR Codes Work? A QR code is a machine-readable matrix barcode and it stands for “quick response” code. You can use the camera app on any phone to scan a QR code ...

QR codes are used for everything from returning parcels and ordering food at a restaurant to entering theme parks and signing into websites - but what does QR actually stand for?

TECH How to scan a QR code with your iPhone or Android phone (no apps needed) QR codes are those pixelated squares you see in restaurants, advertisements, stores, food packaging, business cards ...

Long-distance QR code scanning is coming soon to Android phones Scanning a distant QR code can be a frustrating experience, but a major Google upgrade could soon change that.