Everything worth knowing about QR codes
Plain-English guides to using QR codes well — how they work, how to design them so they actually scan, how to print them, and how to fix them when something goes wrong. No marketing fluff, no upsells.
Getting Started
Static vs Dynamic QR Codes: Which One Do You Actually Need?
The difference between the two has nothing to do with how the code looks. It comes down to where the destination lives and who controls it after the code is printed.
The History of QR Codes: From Toyota Factory Floor to Everywhere
QR codes weren't designed for marketing. They were designed in 1994 to count car parts. Here's how they got from there to here.
Design & Print
How to Add a Logo to a QR Code Without Breaking It
A QR code with your logo in the middle looks more professional. It's also one of the easiest ways to make a code completely unscannable. Here's how to do it right.
QR Code Sizes for Print: From Business Cards to Billboards
The right physical size depends on how far away the code will be scanned from. A practical sizing chart and the math behind it for every print scenario.
Use Cases
WiFi QR Codes: How They Work and Why You Should Use One
The handwritten password taped to the wall is the universal sign that a place hasn't updated its tech in a decade. WiFi QR codes do the same job in one scan.
vCard QR Codes Explained: Sharing Contact Info Without an App
Scan once, hit save, and the contact is in the phone for good. The paper card can be discarded immediately. Here's why vCard QR codes belong on every business card.
QR Code Menus for Restaurants: Best Practices in 2026
QR menus exploded in 2020 and stuck around. Some restaurants use them well. Most don't. Here's what separates the two.
Troubleshooting
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