Wi-Fi QR Code Format

WIFI:T:WPA;S:my_ssid;P:mys3curepasswd;;

Encode string into a QR code and iOS & Android phones can scan it to join the network.

Note that special characters in arguments (like :) need to be escaped (i.e. \:)

Some parameters (; delimited):

• T - authentication/encryption protocol: nopass (none), WPA, WEP
• S - network SSID
• P - password
• H - if network is hidden: true (optional)

reference (& more parameters)