A QR code (quick response code) is a type of two dimensional (2D) bar code that is used to provide easy access to online information through the digital camera on a smartphone or tablet. A barcode ...

You probably think you need to use your smartphone's camera to scan a QR code, right? That's not the case — it's entirely possible (and super-easy) to scan a "Quick-Response" code that's already saved ...

On iPhone, open the saved QR code in Photos and tap and hold it. On Android, open it in Google Photos and tap Search to scan ...

Using QR codes to link to websites. QR code links have become very popular since the proliferation of smartphones in the 2010s. See QR code. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other ...