How to Create an Open Wi-Fi QR Code (Without Password)

Public venues, exhibition halls, and library lobbies frequently offer open Wi-Fi networks without passwords, but users still struggle to find the exact SSID in crowded network lists.

The 'nopass' Wi-Fi URI Format

To create a QR code for an open, unencrypted wireless network, set authentication type to nopass:

WIFI:T:nopass;S:Public_Library_WiFi;;

When scanned, the smartphone automatically selects and connects to the open network without prompting for a password.