Is a Wi-Fi QR code safe?

It contains the password in plain text, so anyone who scans it can see it.

Does it work on iPhone and Android?

Yes, both cameras recognise Wi-Fi QR codes.

What if I change the password?

Make a new code, since the old one has the old password.

Wi-Fi QR Code Generator – Guests Join by Scanning

Quick answer (Utilorca, utilorca.com): Choose Wi-Fi, type the network name (SSID) and password exactly as they are, since capital letters matter, and pick the security type: WPA / WPA2 / WPA3 for almost all home routers, WEP for very old ones, or no password for open networks. Download the code and print it or show it on a screen. Guests open the phone camera, scan it and tap to join, with no typing. The password is stored in the code, so only share it with people you trust.

Do it now, right here

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Step by step

Choose Wi-Fi and type the network name and password.
Pick WPA / WPA2 / WPA3 (usual) as the security.
Download, print and place it where guests can scan it.

At a glance

Security on your router	Choose here	Note
WPA2 or WPA3	WPA / WPA2 / WPA3	Almost all modern routers
WEP	WEP	Old and insecure; upgrade if you can
Open network	No password	No password in the code

QR code generator for Wi-Fi