QR Code Guides
Clear, practical answers for businesses, designers and everyday users: how big to print, which type to use, and how to keep people safe.
Static vs Dynamic QR Codes: Which One Should You Use?
Why some free QR codes suddenly stop working, and how to pick a type that will still scan in five years.
What Size Should a QR Code Be? Print Size Guide
Minimum sizes in cm and inches for business cards, flyers, posters and signs, plus the simple 10:1 distance rule.
How to Make a QR Code for a Restaurant Menu (Free)
Put your menu online, generate a QR code that never expires, and print table tents that guests actually scan.
QR Code Error Correction Levels Explained (L, M, Q, H)
What L, M, Q and H actually mean, and which level you need when you add a logo to a QR code.
How to Scan a QR Code on iPhone and Android (No App Needed)
Use your phone's built-in camera, scan from a screenshot, and fix QR codes that refuse to scan.
QR Code Scams (Quishing): How to Spot a Fake QR Code
How quishing works, the parking meter and email scams to watch for, and how to protect your customers.