QR code guides

Practical answers about printing, scanning, and tracking QR codes — no signup required.

What Size Should a QR Code Be When Printed?

How big should a printed QR code be? The 10:1 distance rule, minimum sizes for cards, flyers, posters, and billboards, plus quiet zone and file format tips.

Why Is My QR Code Not Scanning?

Seven common reasons a QR code won't scan — low contrast, wrong size, no quiet zone, blurry exports, dead links — and how to fix each one.

How Do QR Codes Work?

What's inside a QR code: how the grid of squares encodes data, why damaged codes still scan, and the real difference between static and dynamic codes.

QR Code Design Best Practices for Print

How to design QR codes that actually scan on paper: contrast rules, quiet zone, safe colors and logos, smart placement, and testing before the print run.

How to Track QR Code Scans

How QR scan tracking actually works: redirect-based logging, what data you can and can't collect, UTM parameters, and how to read scan analytics honestly.