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 ...

A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions and other content.

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

QR codes can house a whole lot of data, from the URL of a webpage or service, to where to directly download an app. Here's how to scan them.

Apps, techniques, and tricks you can use to scan or create QR codes on Windows Phone.

Massachusetts gives the vaccinated a new option to access their COVID vaccination record electronically, and it comes with a QR code.