Guides
Notes on making codes that scan, and on the difference between a picture of data and a link you can edit.
2026-03-02
Static and dynamic QR codes
How a printed QR code differs from a short link you can edit later, and which one to use for Wi-Fi, menus, and campaigns.
2026-03-16
Error correction and the quiet zone
What L, M, Q, and H mean on a QR code, why the white margin matters, and how much data each level can protect.
2026-04-06
Logos that still scan
How a center logo uses error correction, how large it can be, and why QRNest forces level H while a logo is applied.
2026-04-20
Wi-Fi QR codes and secrets
What a WIFI: payload contains, why the password is visible to anyone who scans, and what QRNest refuses to store.