How to make a Wi-Fi QR code for a network with no password
In WiFi QR, set Security Type to Open (No Password), type the network name and the code is ready. The password field disappears, and the code only says to join that name.
This question hides two different jobs. One is a network that really has no password, like a café's guest Wi-Fi. The other is a code for your own network when you have forgotten the password. WiFi QR does the first. It cannot do the second, since iOS does not let any app read a saved password.
For a network that is really open
- Open the Generate tab.
- In Network Name (SSID) type the name exactly as the router broadcasts it. Use current fills it in if you are connected and allow Location.
- Under Security Type pick Open (No Password). The Password field goes away.
- The code draws itself above the form. Add a Custom Title (Optional), under Advanced Options, such as Guest WiFi if you will export it.
- Save to History, or Share QR Code for an image.
Switching the security type to Open leaves the password out of the code entirely. The text for a café network called Cafe Guest is WIFI:T:nopass;S:Cafe Guest;;, 28 bytes. That makes a smaller code than the password version, 29 x 29 modules on screen against 33 x 33 for the same name with a 17-character password (45 bytes), so each square comes out a bit bigger when printed.
What a guest sees
They open the camera, aim at the code and iOS offers to join the network by its name. There is no password step. If the router shows a sign-in page after joining, that is the router's doing; the code only gets the phone onto the network.
The exported card for an open network skips the password line even if Show Password is on, because there is nothing to show. With the title, name and Show Security Type at the Standard resolution it is 380 x 538 points on the free plan (a watermark adds 30) and 380 x 508 on Premium.
Why leaving a network open isn't recommended
An open network has no encryption between the phone and the router, and anyone in range can join with or without your code. A QR code makes that easier, not safer. For a shop, it's still worth picking a password and putting the code on the sign. Then WPA/WPA2/WPA3 gives the same one-scan join with an encrypted link.
Where it stops
- You cannot generate a code for a protected network without typing its password. iOS lets no app read a saved password, so there is no shortcut.
- Typing a password and picking WPA/WPA2/WPA3 with an empty field gives Password is required for secured networks, and the share buttons stay off.
- Free plan limits apply: 3 saved networks and one export in total. The code on screen is unlimited.
Questions and answers
Can I make a Wi-Fi QR code without a password?
How do I make a Wi-Fi QR code in iPhone without the password?
What does a QR code for open Wi-Fi look like?
WIFI:T:nopass;S:Cafe Guest;; with no password part.Is an open Wi-Fi network safe?
Can guests scan an open Wi-Fi QR code on iPhone?
More WiFi QR guides
- How to create a QR code for your Wi-Fi on iPhone
- How to share your Wi-Fi password with a QR code, from iPhone to any phone
- Make a printable Wi-Fi QR code sign for guests, Airbnb or a café
- How to scan a Wi-Fi QR code on iPhone and see the password
- Wi-Fi QR code not working? Format, special characters and hidden networks
- Custom Wi-Fi QR code design: colours, shapes and a centre icon
- An offline Wi-Fi QR code generator: nothing leaves your phone
- Where to find the Wi-Fi QR code on iPhone
- All questions about WiFi QR
- Back to WiFi QR