Free tier, no card requiredDynamic QR codes that update after printGDPR-compliant scan analyticsBuilt for agencies, freelancers & in-house teamsFree tier, no card requiredDynamic QR codes that update after printGDPR-compliant scan analyticsBuilt for agencies, freelancers & in-house teamsFree tier, no card requiredDynamic QR codes that update after printGDPR-compliant scan analyticsBuilt for agencies, freelancers & in-house teamsFree tier, no card requiredDynamic QR codes that update after printGDPR-compliant scan analyticsBuilt for agencies, freelancers & in-house teams
ScanKit
The blog

Notes on trackable QR.

Product updates, QR marketing playbooks, and field notes from the ScanKit team.

A real QR code on the left and four QR tiles labelled L, M, Q and H on the right, showing the four error correction levels.
Explainer

· 13 min read

QR code error correction: what L, M, Q and H actually mean (and which to use)

L, M, Q or H? A QR code's error correction level decides whether it survives the real world. Here is what the four levels really recover, why the famous "30% damage" figure is a myth, and which level to choose for screen, print, outdoor and logos.

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A scannable QR code beside a density ramp of identical-size codes that grow denser, from a few large modules to many tiny ones, as the data grows.
Explainer

· 13 min read

How much data can a QR code hold? Versions, capacity, and why long URLs break your codes

A QR code can hold up to 2,953 bytes, but that ceiling is a distraction. How versions, encoding modes and error correction set the real limit, and why a short payload always scans better than a long tracking URL.

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A QR code with a green check mark beside a chain that snaps apart, marked with a warning symbol.
Explainer

· 13 min read

Do QR codes expire? What actually makes a QR campaign stop working

Do QR codes expire? The square never does, but the chain behind it can: the page, the domain, the redirect provider, the certificate, the print. Here is what actually makes a QR campaign stop working, and how to print one that lasts.

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A QR code on the left linked by a green tick to a panel showing the EU ring of twelve stars, two rows of minimised, redacted data each with a green tick, and a consent toggle switched on.
Explainer

· 16 min read

Are QR codes GDPR-compliant? Data, consent, and what a tracked scan really collects

Are QR codes GDPR-compliant? The code collects nothing; the tracking lives at the redirect and the landing page. A sourced guide to scan data, lawful basis, consent, DPAs and retention for agencies running tracked QR campaigns in the EU.

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