Man's hands using a phone to scan a fake QR code - panuwat phimpha/Shutterstock QR (Quick Response) codes are everywhere these days. You'll spot them on restaurant menus, business cards, product ...

A full-featured Android QR code and barcode utility app. Scan any supported format with the camera or from gallery images, generate styled QR codes with full customization, and manage a persistent ...

Coupon codes used to be something I tried at the very end of checkout, almost automatically. I would collect a few from different websites, paste them in one by one, and hope that one would work.