Creating QR codes is free, quick and easy.
Search the internet for "QR code generator" to find a range of free tools to create QR codes. Follow the instructions on screen and you will soon have your own QR codes!
There are many QR codes readers available. These use your phones camera to decode QR codes and take an appropriate action.
If you have a smartphone, the easiest way to install one is normally to search your favourite app store.
If you have a camera phone that doesn't use an app store, try one of these widely compatible readers below.