What Wi-Fi security type should I use?

Use WPA3 if the router supports it; otherwise WPA2. Never WEP or open networks — both are trivially cracked.

Is the QR code safe to print?

A QR code in your home or office is reasonable. Do not post the QR code publicly or on social media — anyone with the image can join your network.

Rotate yearly at minimum, and any time a guest with access leaves. Keep a separate guest SSID for temporary visitors.

Generate a secure WiFi password and a QR code your guests can scan to connect — powered by crypto.getRandomValues.

Mode

Network Name (SSID)

Used for the QR code. Leave blank for a generic placeholder.

Generate strong, cryptographically secure passwords.

Memorable diceware passphrases built from random words with CSPRNG.

Generate secure numeric PINs (4 to 12 digits) for devices and cards.