Wi-Fi QR
Turn a network name and password into a QR code. A guest scans it and joins. Free, the password stays in your browser.
Questions
Is a Wi-Fi QR free?
Yes. There is no account and no payment.
Does the password go to a server?
No. The QR code is made in this browser.
How does a phone join?
Point the camera at the QR code. The network name and password fill in.
Can the network have no password?
Yes. Set the security to no password.