While we cannot generate a QR code for you to share with friends directly, a quick Google search should point you to some easy-to-use tools online.
That said, all of our Invitation products do support having a QR code printed on them for your guests to use—check out how!
Once you select an item, you will see an option to add a QR code in the editor section.
Enter the URL and a QR code will be generated, select "insert" and it will be added