Windows 11 can join a Wi-Fi network by scanning a QR code with the Camera app, and can show a QR code for a saved network. Windows 10 needs a workaround — both covered.
Scan a QR code with an iPhone or Android camera, or read one from an image on Windows and Mac. Includes what to do when a code will not scan.
How estate agents use QR codes to get buyers to a viewing — directions, access notes and parking. What to put on the board, the brochure and the confirmation.
How traders with no fixed address use QR codes — directions to a pitch, payment, and a page that moves with you. What works when your location changes every week.
If customers struggle to find you — upstairs, round the back, on an industrial estate — a find-us QR code fixes it. Where to put it and what to link to.
How to use QR codes on wedding invitations for directions, RSVPs and the gift list. Where to put the code, what size to print it, and what to avoid.
QR codes do not expire on their own. Static codes work forever; dynamic codes stop when the redirect service stops. Here is what actually breaks a code.
Static codes store the destination in the pattern and cannot be changed. Dynamic codes redirect, so they can be edited after printing and tracked. Full comparison.
Use the 10:1 rule: a QR code should be at least a tenth as wide as the distance it is scanned from. Full size chart for cards, menus, posters and billboards.
The usual causes are size, contrast, a missing quiet zone, gloss reflection, or a broken destination. A step-by-step checklist to find which one is affecting you.