Scanning a QR code without your phone requires a little help from Google or a webcam.

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.

QR codes are designed to be scanned using a camera, such as those found on your smartphone. QR code scanning is built into many camera apps for Android and iOS.

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

QR codes existed long before smartphones, and your device can scan them right out of the box. Here’s how to use this helpful feature without third-party software.

Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using iPhone or Androids.

To avoid this threat, you should use trusted apps provided by the device manufacturer to scan QR codes and avoid downloading custom QR code apps. Scott Ruoti, Assistant Professor of Computer ...

Bar codes store information along one axis, horizontally. QR codes store information in both vertical and horizontal axes, which allows them to hold significantly more data. That extra amount of ...