You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

You can add new contacts to WhatsApp manually from the Chats tab or you can scan someone's QR code within the app.

Learn how to identify fake QR codes and avoid scams. Spot QR code red flags before scanning and stay safe with these practical tips Learning how to identify fake QR codes from legitimate ones isn’t ...

QR (Quick Response) codes are everywhere these days. You'll spot them on restaurant menus, business cards, product packages, and even concert tickets. A big reason they've caught on is convenience.