QR code, short for Quick Response Code, is a kind of matrix barcode that includes information about a product or service. You can find it being used for advertising purposes, where brands put up ...

First on the list is the QR & Barcode Scanner by Gamma Play. Installing this is free for your Android such samsung galaxy s20 and s20 ultra when you open Google Play and iOS devices. This is ...

Another handy and free generator is QR Code Generator. It allows you to create static and dynamic QR codes (editable even after printing) that you can use for different purposes and in various formats ...