QR code basics
The essentials for making QR codes that work: what "free" and "no expiry" really mean, how big to print a code, which file format to download and how to keep codes scanning for years.
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QR code basics
Free QR Code Generator With No Expiry: 7 Things to Check Before You Print
Some "free" QR codes stop working when a trial ends — after you have printed them. Here is how to tell a truly free generator from a trial, before it costs you a reprint.
3 min read
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QR code basics
QR Code Size for Printing: Minimum Size, Resolution and Tips
How big should a QR code be on a business card, a flyer or a poster? Use the 10:1 rule, the size chart below and a few print checks to get codes that scan first time.
2 min read
Looking for a quick answer?
Short, direct answers to the most-asked QR code questions.
