Plain-English answers to the questions people ask about printable wifi QR codes: how they work, whether they are safe, and how to use them well.
A WiFi QR code is a small printable image that, when scanned by a phone camera, asks the phone to join a specific WiFi network. No app required on most modern phones, no typing, no spelled-out passwords. This guide covers what is actually inside the code, which phones handle them natively, and where they tend to live.
Read the guide →Guide · 6 min readShort answer: a WiFi QR code is exactly as secure as the password it contains, displayed in the place you put it. The QR itself adds no encryption and removes none. This guide covers what that means in practice, the three real risks worth thinking about, and how prettywifi.co handles your password.
Read the guide →Guide · 4 min readThe right size depends on two things: how far away the person scanning will be, and what kind of room it lives in. This guide covers the common sizes, the rule of thumb for QR scan distance, and what we recommend by use case.
Read the guide →Guide · 5 min readWhen generating a WiFi QR code, you need to tell the QR which security type your network uses. Most of the time the answer is WPA2, and most QR generators (including this one) treat WPA, WPA2, and WPA3 as the same setting under the hood. Here is what the choice actually means.
Read the guide →Guide · 5 min readA hidden network is one that does not broadcast its name. WiFi QR codes can join hidden networks, but they need to be told the network is hidden. This guide covers how to encode a hidden SSID, the persistent myth that hiding makes a network safer, and why a guest network is usually the better answer.
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