THE ETCHEDQR JOURNAL

Guides for QR codes that actually last.

Practical, no-nonsense advice on printing, sizing, and designing QR codes for the physical world — from people who think permanence is a feature, not an upsell.

FEATURED · Print Guide

QR Code Size Guide for Print: Minimum Sizes That Actually Scan

How big should a QR code be on a business card versus a billboard? A field-tested table of minimum sizes, scan distances, and quiet-zone margins that actually work.

Jul 18, 2026 · 9 min

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Do QR Codes Expire? What Actually Breaks (and When)

Why the 'free' codes from big QR apps quietly stop working — and how direct encoding sidesteps the whole trap.

Jul 11, 2026 · 6 min

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