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QR codes, explained properly

Short practical guides with things you can try right on the page. No fluff, just what works in real life.

Basics

Static or dynamic QR code? The difference in two minutes

They look the same and both scan with a phone camera. You only notice the difference when something needs to change after printing.

4 min read →

Print

What size should a QR code be? A simple rule and a calculator

A code that's too small is the most common reason people don't scan it. The good news: you can work out the right size in seconds.

4 min read →

Restaurants

Restaurant QR codes: what belongs on the table and what doesn't

6 min read →

Wedding

Wedding QR codes guests will actually scan

5 min read →

Quizzes

A QR code quiz: the whole room playing on their phones in two minutes

5 min read →

Business cards

QR codes on business cards: less data, better code

4 min read →

Payments

Payment QR codes: what's inside and how to make one

5 min read →

Troubleshooting

QR code not working? Find the cause in a minute

4 min read →