WiFi QR Code Generator: Join a Network With One Scan
Reading a password off a router sticker is slow and typo-prone. A QR code turns joining into a single scan.
What is the WiFi QR Code Generator?
Typing a long WiFi password is error-prone, and a QR code lets a phone join in one scan. This generator builds the standard WiFi payload from your network name, security type, and password, then encodes it with a self-contained QR encoder using byte mode and error correction level M, choosing the smallest version that fits. The matrix is rendered from the encoded data, never from a random pattern, and everything runs locally, so the network name and password are never sent anywhere.
How to use it
- Enter the network name exactly as it appears on the router.
- Choose the security type and enter the password.
- Click Generate WiFi QR.
- Scan the code with a phone camera to join, and keep the password private.
Worked example
Generating a code for a WPA network called Home gives a version 3 QR matrix for its WiFi payload.
What does a WiFi QR code contain?
It contains a payload like WIFI:T:WPA;S:Home;P:pass1234;;, encoded as a QR matrix, so a scanning phone can read the network name, security type, and password at once.
Frequently asked questions
Is my WiFi password sent anywhere?
No. The payload and the QR matrix are built locally in the page, and nothing is uploaded or stored.
Why does the code look different for different networks?
Because the matrix encodes the actual payload, so a different name or password produces a genuinely different code, not a decorative pattern.