How to Make a Wi-Fi QR Code So Guests Can Connect
Enter your Wi-Fi network name, password and security type into a Wi-Fi QR code generator to create a code guests can scan to connect instantly, without typing the password. Use a separate guest network's password for any code displayed publicly.
To make a Wi-Fi QR code, enter your network name (SSID), password and security type into a Wi-Fi QR generator, then print or display the resulting code. Anyone who scans it connects automatically, without typing the password by hand or asking you to spell it out.
How a Wi-Fi QR code actually works
A Wi-Fi QR code encodes your network's connection details, network name, password and security type, in a standard format that most phone cameras and QR scanner apps recognise directly. Scanning it prompts the phone to join the network with one tap, rather than opening Wi-Fi settings and typing a potentially long, fiddly password on a small keyboard.
Many Android phones can already show a QR code for the network they are connected to: Google's Android Help says to tap your Wi-Fi network in settings and choose Share. That is handy for a one-off guest, but it lives on your phone. For a card you can print and leave on a counter, make a standalone code.
Generate your network's QR code with the Wi-Fi QR code generator, entering your SSID and password once to create a scan-to-connect code.
Wi-Fi QR code generator
Enter the network name, password and security type, then download or print.
Runs in your browser. Nothing you type is sent to our server. Open the full Wi-Fi QR Code Generator page
Step by step
- Find your exact network name (SSID) and password, checking capitalisation and any symbols carefully, since a single wrong character breaks the code.
- Open the Wi-Fi QR code generator and enter these details, along with your security type, usually WPA or WPA2 for most home and office routers.
- Generate the QR code and download it as an image (downloads need a free Google sign-in).
- Print it and place it somewhere guests can see and scan easily, or display it on a screen if you run a cafe or waiting area.
- Test-scan it yourself with a different phone before relying on it, to confirm it actually connects.
Where this is genuinely useful
- Homes with frequent guests: a small framed or laminated card near the door saves repeating a long password out loud every time someone new visits.
- Cafes and small businesses: a QR code on a table tent or counter card lets customers connect without staff needing to read out a password repeatedly through the day.
- Offices with visitor Wi-Fi: a printed code at reception speeds up onboarding a visitor's device without IT staff involvement for every guest.
Security considerations
A Wi-Fi QR code contains your actual password embedded in the image, so anyone who can scan or even just photograph the code can connect and, depending on your router's settings, may be able to see other devices on the same network. For a home network shared with sensitive devices, consider setting up a separate guest network with its own password specifically for the QR code you display publicly, rather than sharing your main network's QR code with everyone who visits.
Do not post a Wi-Fi QR code for your main network on a public-facing wall, window or social media post where anyone passing by could scan or photograph it. Treat the printed code with the same care you would treat writing your password on a sticky note.
What if the QR code will not connect
- Double-check the SSID and password for typos, especially similar-looking characters like a capital I, a lowercase l, and the number 1.
- Confirm the security type matches your router's actual setting; selecting WPA when your router uses WPA3-only, for example, can prevent a successful connection on some devices.
- Regenerate the code if you have changed your Wi-Fi password since the code was made, since an old code will simply fail silently or connect to nothing.
- Check that the phone scanning the code actually supports Wi-Fi QR connections; most modern Android and iPhone camera apps do, but a very old phone's default camera app might just read the code as plain text instead of offering to connect.
Printing and display tips
Print the code at a reasonable size; as a rule of thumb, at least 4-5cm across scans easily from a normal distance without someone having to lean in awkwardly close. If you are displaying it on a screen rather than printing it, make sure the screen brightness is high enough and the code is not distorted or stretched, since a warped QR code can fail to scan even though it looks readable to a human eye. A laminated printed card tends to hold up better over months of guest use than a card left loose on a shelf or taped up without protection.
Updating the code when things change
Beyond a password change, moving to a new router, switching internet providers, or renaming your network for any reason all mean your existing QR code stops working. Build a quick habit of regenerating and reprinting the code whenever you make one of these changes, rather than leaving an outdated card up and fielding confused questions from guests whose phones fail to connect. Keeping the source file for your QR code, such as the exported image, in a folder alongside a note of when it was made also helps you remember whether it might be due for a refresh.
Pairing it with other business QR codes
If your shop or cafe also displays a UPI QR code for payments, keep the Wi-Fi code and the payment code clearly separated and labelled, since a customer accidentally scanning a payment code expecting Wi-Fi, or the other way round, is a common and easily avoided confusion. If you also want a code that opens a WhatsApp chat for enquiries, the WhatsApp QR code generator covers that separately.
Tools for this
Frequently asked questions
Does a Wi-Fi QR code expose my password to anyone?
Yes, the password is embedded in the code itself, so anyone who scans or photographs it can see or use it to connect. Treat a publicly displayed code like a publicly written password.
Do I need to regenerate the code if I change my Wi-Fi password?
Yes, an old QR code encodes the old password and will fail to connect once you change it. Generate a fresh code any time your password changes.
What security type should I select?
Match whatever your router is actually set to, usually WPA or WPA2 for most home routers. Check your router's Wi-Fi settings page if you are unsure.
Can guests see other devices on my network after scanning?
This depends on your router's settings, not the QR code itself. For extra privacy with guests, set up a separate guest network with its own password and QR code.
Why did my Wi-Fi QR code fail to connect?
Check for typos in the SSID or password, especially similar-looking characters, and confirm the security type matches your router's actual configuration.
Sources
- Android Help: Connect to Wi-Fi networks on your Android device (checked 2026-09)
- Wi-Fi Alliance (checked 2026-09)
Rules and limits change. Always check the latest official notification or portal before you submit a form.