Guides

QR code guides & tips

Everything you need to create, design and get the most out of QR codes — written in plain language.

How-to
How-to

How to make a QR code (free, in under a minute)

The whole process from picking a type to downloading a print-ready file.

Design
Design

How to add a logo to a QR code

Keep a branded, logo-in-the-middle code reliably scannable with two simple rules.

Print
Print

The best QR code size for print

The 10:1 scan-distance rule, minimum sizes and why vector export matters.

Basics
Beginner

What is a QR code and how does it work?

A clear, jargon-free explanation of what QR codes are, how scanning works and where they’re used.

Business
Marketing

10 smart ways to use QR codes in your business

From menus to packaging, practical ideas to connect customers with your digital world.

Compare
Explainer

Static vs dynamic QR codes: which do you need?

Understand the difference, the trade-offs, and how to choose the right one for your project.

Basics
Basics

Do QR codes expire?

The honest answer — why static codes last forever and dynamic ones can stop working.

Basics
Basics

How do QR codes work?

A plain-English look at how those squares store data and how your phone reads them.

Fixes
Troubleshooting

QR code not scanning? 9 fixes that work

The most common causes — contrast, size, quiet zone, blur — and how to fix each.

Security
Security

QR code security & quishing

Why scanning is safe, how QR phishing works, and simple rules to stay protected.

How-to
How-to

How to scan a QR code on iPhone & Android

Use your built-in camera — no app — plus how to scan from a photo or screenshot.

Print
Print

QR code size guide

A quick-reference size chart for cards, flyers, posters and billboards.

Design
Design

The best QR code colours (that still scan)

Stay on-brand without breaking your code — the combinations that work.

Basics
Compare

vCard vs URL QR codes

Which contact code to use for business cards — and when each one wins.

Basics
Basics

Are QR codes free?

What’s genuinely free, what some tools charge for, and how to avoid paywalls.

Marketing
Marketing

QR code marketing: a practical guide

Placement, calls to action and free UTM tracking for campaigns people actually scan.