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 ...

Whether you need to scan a QR code, or you want to create a QR code of your own (for a wifi network, a contact card, or anything else), you’ve got a variety of options to pick from.

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