L, M, Q, H — what those QR code error correction letters actually mean, and how to pick the right one for your design.
7 min readQR codes · Reference
Articles
The QR This! blog
Practical writing about QR codes — error correction, design, accessibility, sizing for print, and field-tested advice for everything from restaurant menus to packaging.
Written by Tim Morris.
QR Code Error Correction Levels Explained: Which One Should You Use? Static vs. Dynamic QR Codes: Which Is Right for Your Use Case? Static QR codes are free and never expire. Dynamic codes give you analytics and editable destinations. Here's how to choose.
6 min readQR codes · Marketing10 QR Code Design Mistakes That Stop Codes From Scanning From low contrast to over-cropping, these are the practical mistakes that turn beautiful QR codes into unscannable ones.
8 min readQR codes · DesignQR Codes for Restaurant Menus: A Complete Guide Everything restaurant operators need to know about menu QR codes — from sizing on table tents to fallback printed copies.
9 min readQR codes · RestaurantsQR Codes vs. NFC Tags: When to Use Each QR codes work on any phone with a camera. NFC needs a tap. Here's how the two compare for cost, ergonomics, and reach.
7 min readQR codes · HardwareQR Code Print Sizes: A Practical Sizing Cheat Sheet How big does your QR code need to be? A scanning-distance rule of thumb plus concrete sizes for common print formats.
5 min readQR codes · PrintA Short History of QR Codes (and Why They Exploded in 2020) QR codes were invented in 1994 to track car parts. Here's how they went from factory floors to every restaurant table.
6 min readQR codes · HistoryQR Code Accessibility: Making Them Work for Everyone QR codes can be hostile to users with low vision, motor impairments, or older phones. Here's how to design them inclusively.
7 min readQR codes · Accessibility