Long Wi-Fi names and passwords are easy to mistype. A Wi-Fi QR code lets a phone read the network details and present a connection prompt, which is useful at home, in a shop, at an office, or during an event.
A QR code does not encrypt or hide the password. Anyone who can scan or analyze the code may be able to read the stored credentials, so a separate guest network is safer than sharing your primary network in a public place.
Start with these choices
Include the same capitalization and spaces shown by the router.
Most networks use WPA/WPA2; choose no encryption only for an open network.
Scan with two different phones and confirm that both can connect.
How to do it in your browser
- 1
Choose Wi-Fi in the QR Code Generator.
- 2
Enter the network name, security type, password, and hidden-network setting.
- 3
Use a dark QR color on a light background, download PNG or SVG, and test it on a real device.
What is stored in a Wi-Fi QR code?
The code stores the network name, security type, password, and hidden status as structured text. A phone reads those values and opens a connection prompt. Toolit builds this payload locally in your browser and does not send it to a server.
- SSID: the visible network name
- Security: WPA/WPA2 or an open network
- Password: the credential used to connect
- Hidden: whether the network name is omitted from ordinary Wi-Fi lists
Share the password with the right level of access
A QR code saves typing but does not protect the password from inspection. For stores, events, and other public settings, create a guest network, isolate it from private devices, and change the password when public access is no longer needed.
- Separate visitors from personal or business devices
- Display the code only where guests need it
- Remove outdated printed codes
- Create a new code after changing the password
Make a QR code that scans reliably
Use strong contrast, preserve the clear margin around the code, and avoid placing it directly on a busy image. Error correction M is a practical starting point for an ordinary sign; Q can help when the print may become scratched or dirty.
What to check when connection fails
Recheck capitalization, spaces, security type, and the password first. A WPA3-only router or an older phone may have a compatibility limitation. Confirm that the same details work when entered manually before assuming the QR image is defective.
Frequently asked questions
Can someone see the password inside a Wi-Fi QR code?
Yes. A camera may show only a connect button, but a QR analysis app can reveal the stored text. A Wi-Fi QR code should not be treated as password encryption.
Does a Wi-Fi QR code expire?
The code itself does not expire. It remains useful until the network name or password changes.
Can it connect to a hidden Wi-Fi network?
Yes. Enable the hidden-network option, then test it because support can vary between devices and router configurations.
Does it work on both iPhone and Android?
Recent iOS and Android versions generally support Wi-Fi QR connections. An older device may require a QR app or manual entry.