Your Android or iPhone can probably already scan QR codes. Here's how to do it no matter what phone you have.

QR codes are everywhere nowadays. We scan them at restaurants to read menus, connect to Wi-Fi at the office, access promotional offers, and many other places.

Scanning QR codes on your phone doesnt always require a second device. Know how to scan QR codes using built-in tools, apps, or online decoders.

Google is working on bringing an onscreen QR code and barcode scanner to Circle to Search. We managed to activate it, so here's a demo of it.