You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

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 the ...

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

Posts from this topic will be added to your daily email digest and your homepage feed. If you want to make it simple for someone to find a webpage, a QR code can help. If you want to make it simple ...