How To Link WhatsApp Web With Phone Number Until recently, WhatsApp users had to scan a QR code that appeared on the WhatsApp Web website to quickly and securely sync their accounts with the web ...

Quick response codes, QR for short, can be used to store many different types of information. For instance, they can store a phone number, a Web address, and even a map location.

QR codes are easy to use, if you know how to access the information they contain and have an internet connection.