Minimum QR code size for print, quiet zone and error correction
How to size a QR code for print, from the module maths behind the minimum QR code size to the quiet zone, error correction and contrast rules that decide whether it scans.
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Guides & updates
QR codes, short links, and privacy-first analytics, straight from the team.
goo.gl links stop working: the case for a Recovery Page
Google shut its URL shortener, then kept part of it alive. What the goo.gl timeline teaches about printed QR codes, provider risk and the questions to ask before you print.
Read more →QR code with logo: brand the code without breaking scans
A logo in the middle of a QR code works because of error correction, and it fails when designers ignore the rules that come with it. Here is how to brand a code that still scans.
Read more →How to test a QR code before printing: a 10-point checklist
Ten checks that take twenty minutes and save a reprint: scan on three phones, at real size, on the real material, in bad light, at distance, with the quiet zone, contrast and logo checked, and the destination and link ownership verified.
Read more →UTM parameters for a QR code: measure print campaigns in GA4
How to tag printed QR codes with utm_source, utm_medium, utm_campaign and utm_content, why the tagged URL belongs behind a dynamic short link rather than in the code, and how to read the result in GA4 next to your cookie-free scan counts.
Read more →QR code analytics without cookies: what a scan really reveals
A QR scan is an ordinary web request. Here is what it contains, what a dashboard makes of it, why the IP address counts as personal data, and how EUQR counts scans without cookies or stored IPs.
Read more →The EU Accessibility Act and QR Codes: Making Your Scanned Destinations Compliant
Since June 2025, the EU Accessibility Act applies to the pages customers reach by scanning your QR codes, not just your main website. Here is what compliance actually requires, and a practical checklist to get there.
Read more →QR Codes for Events: GDPR Compliant Contactless Check-in and Registration
A practical guide for event organizers on running QR code ticketing and check-in that is fast for attendees and genuinely GDPR compliant, from registration design to post-event data deletion.
Read more →GS1 Sunrise 2027: What Retailers Need to Know About the 2D Barcode Transition
GS1's Sunrise 2027 target will change what retail checkouts scan. Here is what retailers need to prepare, and how dynamic QR codes fit alongside the shift.
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