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 ...

Can you scan a QR code from a screenshot or photo? Yep, you can.

QR codes aren't going away anytime soon. Here's how to make your own.

QR codes are a close cousin of the bar codes on product packaging that cashiers scan with infrared scanners to let the checkout computer know what products are being purchased.

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.

TECH How to scan a QR code with your iPhone or Android phone (no apps needed) QR codes are those pixelated squares you see in restaurants, advertisements, stores, food packaging, business cards ...

QR codes are a close cousin of the bar codes on product packaging that cashiers scan with infrared scanners to let the checkout computer know what products are being purchased.