Guide category

Creation and design

Build readable QR codes with suitable size, contrast, quiet zones, and artwork.

How to Add a Logo Without Breaking a QR Code

Place a small center logo while protecting QR functional patterns, contrast, error correction, quiet zones, and real-world scanning reliability.

Create a vCard QR code with useful contact fields, privacy-aware choices, correct escaping, and reliable tests across different phones.

Create a direct website QR code, validate its URL, choose dependable design settings, and test the complete mobile journey before publishing.

Build and test a Wi-Fi QR code while protecting credentials, choosing the correct security type, and controlling where the code is displayed.

Use a repeatable preflight process to verify payload, size, contrast, device compatibility, placement, material, and the final destination.

Choose QR foreground and background colors that preserve scanner contrast, accessible context, brand consistency, and dependable production results.