QR code guides
Clear, expert guides to making QR codes that scan first time — Wi-Fi, logos, print sizes, file formats and more. Every one is free, with the actual tool a click away.
Wi-Fi
How to make a Wi-Fi QR code
Let guests join your Wi-Fi by scanning — no password typing. Generate one free below, with WPA3, hidden-network and special-character handling done right.
7 min read
Design
How to make a QR code with a logo
Put your logo in the middle of a QR code — for free — without stopping it scanning. The error-correction and sizing rules that make it work.
7 min read
Use cases
QR codes for restaurant menus
Turn your menu into a scannable code for free. How to digitise it, the right table-tent size, static vs dynamic, allergen rules, and how to make it scan first time.
8 min read
Use cases
QR codes for business cards
Put a QR code on your card that actually scans: the right size, front vs back, what to link to, and the contrast and print settings that matter.
7 min read
Formats
QR code formats: PNG vs SVG vs PDF
PNG for screens, SVG or PDF for print, never JPG. The raster-vs-vector difference and which file to download, in plain English.
6 min read
Print
QR code size for print
How big a QR code needs to be to scan — the 10:1 rule, a size table for cards to billboards, plus DPI, quiet zone and contrast.
7 min read
Free
Free QR codes with no watermark
What ‘free’ should actually mean: no watermark, no sign-up, no expiry. And how to avoid the tools that quietly trap you.
5 min read