Workplaces, universities, schools, TAFE, supermarkets, and more will be required to use a Service NSW QR code from July 12.

NSW government's QR code check-in system for COVID-19 contact tracing goes live The state government has also introduced a click-and-collect service for any NSW birth, death, and marriage ...

QR codes can house a whole lot of data, from the URL of a webpage or service, to where to directly download an app. Here's how to scan them.