Some developers would lead you to believe you need to download their app to scan QR codes. Spoiler: Your phone can do that with built-in features.

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 ...

To scan a QR code on Androids, go to the Camera app and, using the back camera in either Photo or Camera mode, center the phone’s camera on the QR code until a link to the landing page appears.

There are plenty of ways to scan QR codes on a laptop, but you may not realize how easy it is to do with a little help from software or apps.

You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: just open the camera app, point your phone at the code, and tap ...