How to Make a Guest Wi-Fi QR Code and Test It Before Sharing

A guest Wi-Fi QR code saves visitors from typing a network name and password. It is especially useful on a reception desk, a holiday rental welcome card or a home guest notice.

The code contains connection details. Anyone who can read it can learn those details, so treat a printed Wi-Fi card like a printed password.

1. Prepare the guest network

Use your router’s guest-network feature if one is available. Check your router’s documentation for how it separates visitors from other devices; a network called “Guest” is not proof of isolation by itself.

Choose a network name visitors can recognise. Confirm the security setting and password from the router rather than guessing from a saved connection. Do not publish your router administrator password: the code needs the Wi-Fi network password only.

2. Generate the code locally

Open QR Brand’s Wi-Fi QR generator. QR Brand is built by the same developer as Game Funtastic and creates the code in your browser. The Game Funtastic QR tool also includes a Wi-Fi option.

Enter the network name exactly, including spaces and capital letters. Choose the matching security option and enter the password. Mark the network hidden only if it is actually hidden. If your network uses an enterprise sign-in or captive portal, a simple Wi-Fi code may not complete that extra authentication.

Use the form rather than manually assembling a payload. Special characters such as semicolons and backslashes need escaping; typing the raw password into a hand-written payload can produce the wrong connection details.

3. Download a readable design

Start with black on white. Keep a clear border around the symbol and avoid adding a decorative background that runs into it. Include the guest network name in readable text so visitors can find it manually if their camera does not offer to connect.

If you want a reception card, add the exported code to your layout or use QR Brand’s image placement tool. Label it “Scan to join guest Wi-Fi” rather than implying it opens a website.

Avoid putting private connection details on a publicly downloadable flyer. A browser-based generator keeps generation local, but it cannot keep the exported picture secret after you share it.

4. Test with a device that is not already connected

A phone with saved credentials is a weak test: it may join using its stored password even when the code is wrong. Use a device that has never joined the network, or forget the guest network on a test phone first.

Scan the code, check the offered network name and accept the connection. Then open a webpage to confirm internet access. Try both Android and iPhone if they are available; camera apps and Wi-Fi security support vary by device and OS version.

If scanning produces plain text instead of a join prompt, the scanner may not recognise the Wi-Fi payload. Try the phone’s built-in camera or Wi-Fi settings scanner. If it offers the correct network but cannot connect, recheck the password and security setting.

5. Test the printed card

Print one sample at the intended size. Test it where guests will actually see it, including the lighting and any cover or lamination. Glare can make an otherwise readable code difficult to scan.

Keep the original artwork so you can replace the card when the password changes. A static code stores the old details permanently; changing the router password does not update existing prints.

What the QR code does not do

It does not install a security profile, manage access times or replace router configuration. Visitors still need compatible devices and permission to join. An open-network code does not add encryption to an open network.

For a flyer that links to a website, follow adding a QR code to a flyer. For clean print exports, see SVG vs PNG.