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 ...

If a QR code asks you to download a random app, avoid it. It may install malicious software and steal sensitive data like phone numbers and saved credit card information.

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.

QR codes are popular ways to scan menus, tickets, and apps. Here's how to do it from your Android phone or iPhone, and what the FCC says about it.

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