Guides
Practical guides to making, printing and managing QR codes that keep working.
Why your QR code stopped working, and how to fix it
A step-by-step check for QR codes that no longer scan or no longer open the right page, from expired trials to print problems.
Free QR codes that never expire, and how to check before you print
Many "free" QR code generators switch codes off after a trial. Here is how to tell whether a code will keep working, and what Cheetags does differently.