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

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 ...

Curious about police activity in your area, but don't want to invest in a dedicated police scanner? Try using your Android phone instead.

You can use your phone to do a lot, including as a document scanner. Let Joe Know looks into free ways to use your phone as a scanner.

If you're using an Android device, here are five of the best QR code scanner apps to download.

Scanning your documents only requires your phone. Kurt "CyberGuy' Knutsson explains how to scan all your important documents on your iOS Notes app or Google Drive.

Most of the time, QR code scanning is built-in to camera apps on iPhone and Android phones, so learning how to scan a QR code is simply a case of pointing your phone’s camera at your chosen code.