How big should a printed QR code be? Use the 10:1 rule, a 2 x 2 cm minimum and a clear quiet zone, with size tables for cards, menus, posters and billboards.
A code on the pack only pays off if it opens something a label cannot. Here are the packaging use cases that earn their space, plus placement and sizing rules.
A digital business card QR code saves your name, title, phone, and email to a phone with one scan. Learn how vCard codes work and why dynamic beats static.
