QR Code Guides
Short, useful articles about reading, understanding, and trusting QR codes.
How QR Codes Actually Work
Modules, finding patterns, error correction — a plain-English breakdown of what happens between a black-and-white square and a link opening on your phone.
Read guideThe 8 Types of QR Codes and What They Store
URLs, Wi-Fi credentials, vCards, payments, SMS, geo points and more — what each QR payload looks like when you decode it.
Read guideAre QR Codes Safe? How to Spot a Malicious One
QR phishing is growing fast. Here is how quishing works, the warning signs on printed codes, and the one habit that protects you.
Read guide