QR codes are popular ways to scan menus, tickets, and apps. Here's how to do it from your Android phone or iPhone, and what the FCC says about it.

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

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 ...

QR codes can have custom designs, including different colors, backgrounds, and logos. By adding design elements to QR codes, you increase the overall size of the code.