Static vs dynamic QR codes: which one do you need?
Static or dynamic: what each QR code holds, which one expires, which one you can edit after printing, what it costs and what happens when you cancel.
7 min read
The QRTada team
We build QRTada, a dynamic QR code service hosted in Germany. Our guides rely on manufacturer documentation, official regulations and standards, cited and dated in every article. When something changes, we update the article and its date.
Published articles
Free QR code generator with no expiration: the honest answer
Do free QR codes expire? Why some stop working after a trial, how to spot a trial trap, which services keep codes alive and when a static code is enough.
6 min read
QR code not working? 12 causes and fixes
QR code not working or not scanning: deactivated code, dead link, size, contrast, phone settings. 12 causes to check and how to fix them fast.
8 min read
QR code size for print: the complete guide
Minimum QR code size for print, sizing by scanning distance, resolution, file formats, quiet zone and sizes for cards, flyers, posters and yard signs.
8 min read
Quishing: how to spot a malicious QR code
Fake QR codes on parking meters, packages and emails: how quishing works, how to check a code before opening it and what to do if you were hit.
7 min read
QR code menus for restaurants: what works in 2026
Do guests like QR menus? Do you still need paper? What chains must show under FDA rules, what the menu page needs and where codes go on the table.
8 min read