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 ...

How to read a QR code from an image in your Samsung Galaxy phone's gallery Although you don't need an extra app to scan QR codes, Samsung's Camera and Gallery apps can't process locally saved ...

You can scan a QR code using the camera on your smartphone, tablet, or computer. Scanning QR codes lets you easily access websites, restaurant menus, videos, and more.