Guides for people who print QR codes
Clear, practical explainers on how QR codes work, written by the people who built the studio.
How much of a QR code can a logo cover?
Levels L, M, Q and H promise 7–30 % recoverable damage. What that means, which parts you must never cover, and how to size a logo safely.
6 min read
Wi-Fi QR codes: how they work
The WIFI: string phones understand, the characters you must escape, which phones join from the camera, and why a printed code is a password.
6 min read
vCard QR codes for business cards
Why vCard 3.0 beats 4.0 in QR codes, which fields phones import, what each costs in modules, and how large to print the code on a card.
6 min read