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 ...

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 ...

Here's how to scan a QR code on your iPhone or Android phone. Many phones have QR code scanners, but if yours doesn't, we also recommend some apps to help.

How to make a QR code Plenty of apps for computers and mobile devices will happily create a QR code for you.

How to add WhatsApp contacts using a QR code Once you've received a QR code, you can scan it in the WhatsApp app, or by using the QR code scanning capabilities of your smartphone. Scanning the QR ...

Ever wonder what those weird black-and-white square codes are? Here's how to read them with an iPhone, a BlackBerry, or an Android smartphone.