There are lots of great free tools on the internet that allow you to do a whole host of things, some created by us, some created by others for the sake of the community. Take a look at some of them below.
QR Code Generator
QR codes are a handy way of sharing information quickly, but many of the online tools create codes with limitations, some even require payments to keep them working. This one (below) creates genuine, free QR codes with none of the hassle.