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.

The switch to digital for everything from tickets to menus has been accelerated, and QR codes are a simple and convenient option for creating shortcuts to everything from phone apps to website links.

The Camera app on your Windows computer lets you easily scan QR codes using your PC's webcam. If you need to scan a QR code from an image, you can use the Snipping Tool app or a QR code scanning ...