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

QR codes make it possible to scan an image with your phone’s camera to open a link. In the early days of Android, the easiest way to post links to Android apps was with QR codes, which is why older ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Luckily, one our readers tipped us off about a Windows Store app that solves this problem. The ...

Rather than have a guest select your Wi-Fi network and then enter a fiddly password, just make them a QR code their iPhone can read. Here's how to do it. You wouldn't want to put a QR code for ...