J. R. R. Tolkien lists
topic · Ehopto
E4CY-A521-BD4
ehopto.com/E4CYA521BD4
Choose what goes on the label, optionally choose a physical size, set how many copies you need, then print.
Leave size unset if you want the browser or printer to decide. Pick a size only when the physical label must be exact.
Scan the QR with any camera, scan the barcode with any scanner, or type the code — all three land on the same page.