Wi-Fi QR Code for Guests: Make One Free in 2 Minutes (Cafes, Airbnb, Offices)
How to make a Wi-Fi QR code that connects guests to your network with one scan: the format phones understand, how iPhone and Android scan and share it, a free way to make and print it with no app or subscription, the guest network and password rules that keep your business safe, and a printable card for the counter or the welcome pack.
"What's the Wi-Fi?" is the most repeated question in every cafe, every holiday let and every meeting room, and the answer is a password nobody can hear over the coffee machine, spelled out twice, with a capital letter that turns out to be a zero. A small card with a square on it ends the conversation: the guest points their camera at it and the phone joins the network.
A Wi-Fi QR code (or wifi QR code, as most people type it) is nothing more than your network name and password written in a format phones understand, drawn as a code. No app on either side, no subscription, no expiry. This guide shows how to make one free on Jobbit in a couple of minutes, what to put on the card, how it works on iPhone and Android, and the three security habits that stop a convenience for guests becoming a door into the business.
Want the card now? Ask the agent on Jobbit for a Wi-Fi QR code with your network name and password, and you get a PNG, an SVG and a print-ready card back in a chat. Free plan, no card, no expiry. The QR code tool does the same for any link.
How a Wi-Fi QR code works
The code contains a short line of text in a format defined years ago for the ZXing barcode project and now read by every mainstream phone:
1WIFI:T:WPA;S:YourNetworkName;P:YourPassword;;T is the security type (WPA covers WPA2 and WPA3 networks; nopass for an open network), S is the network name and P is the password. A hidden network adds H:true. If the name or password contains a semicolon, comma, colon, backslash or quote, it is escaped with a backslash. That is the whole standard, which is why the code never expires: there is no server, no account and nothing to renew. Anyone who scans it, or decodes it, can read the password, so the code is as public as the card it is printed on. That matters for the security section below.
Make the Wi-Fi code on Jobbit in one message
The Jobbit QR code tool is built for links: paste the address, choose where the code will go and the style, and the agent returns the files. A Wi-Fi code holds a network name instead of a link, so send the agent the message below in the chat, with your details in place of the examples. It builds the code in the standard format, tests that it decodes to the right network, and sends back a PNG for print, an SVG for a designer and a card layout.
Message to send
Make a Wi-Fi QR code for a guest network. Network name: Cafe-Guest. Password: three-random-words. Security: WPA2. Encode it in the standard WIFI: format that iPhone and Android cameras read, check that it decodes correctly, and give me a high-resolution PNG (at least 1000 by 1000 pixels), an SVG, and a print-ready A6 card with the code, the text "Scan to join our Wi-Fi" and the network name and password printed small underneath.
You create a free account first (an email address is all it takes, no card). Your message is kept and sent the moment you are in.
QR code generator
The same agent makes link codes from a form: menu, reviews, booking page. Paste the link and get a static PNG and SVG that never expire.
Free to try · No card required
Sign up with an email address, no card, and the files land in a chat you keep. When you change the password, send one line, "new password is ...", and the agent reissues the code and the card.
What to put on the card
| Element | Why | Example |
|---|---|---|
| The code, 3 cm wide or more | A code read from 30 cm needs about 3 cm under the usual 10 to 1 distance rule | On a table tent or by the till |
| "Scan with your camera to join our Wi-Fi" | Tells guests no app is needed | Above the code |
| Network name and password in small type | A fallback for older phones and laptops | Under the code |
| Your logo and a thank-you line | Makes the card part of the brand, not an IT notice | "Thanks for visiting, Cafe Luna" |
| A quiet zone of white space | Cropped codes are the top cause of "it will not scan" | At least 4 mm around the code |
Print on matt card, dark code on a light background, one code per card. Keep the Wi-Fi card separate from the menu and review codes, because two codes side by side confuse phones. The free QR code guide covers the printing rules for all of them.
How guests scan it on iPhone and Android
- iPhone. Apple added Wi-Fi code scanning to the Camera app with iOS 11: point the camera at the code, tap the banner that says "Join network". Apple's own notes add one limit: hidden networks are not supported from a code, so keep the guest network visible.
- Android. Google's Pixel help says the Camera app, with camera scan suggestions on, or Google Lens scans a Wi-Fi code and offers to connect. Older or budget phones may need Lens, which is built into the Google app.
- Laptops. Most do not scan. The small printed name and password under the code is for them.
Both platforms can also generate a Wi-Fi code from a network the phone already knows. On iPhone (iOS 18 and later) it is in the Passwords app under Wi-Fi: pick the network and tap "Show Network QR Code". On Android, in Settings under Network and internet, open the network and tap Share. That is a quick way to share with one guest; the agent's version is for the printed card, with the sizes and layout done.
Security: three habits for a business that shares Wi-Fi
A printed code is a password on a wall. That is fine for a guest network and reckless for the one the till, the printer and the office laptop are on.
- Put guests on a separate network. Most routers offer a guest network that cannot see other devices. The NI Cyber Security Centre's home guidance says to consider enabling one; for a business it is not optional, because a guest device cannot reach the card machine or the shared drive. Airbnb's own hosting advice also recommends an encrypted guest network.
- Change the router's default admin password. The NCSC's Cyber Essentials requirements say default administrative passwords must be replaced with strong, unique ones. The Wi-Fi password on the card is not the router login; make sure the two are different.
- Use WPA2 or WPA3 and a long passphrase, and rotate it. The Wi-Fi Alliance has required WPA3 in all newly certified devices since 2020 and recommends it wherever possible. The NCSC's "three random words" advice makes a passphrase guests can also type when the code fails. Change it every few months, reissue the card in one message, and the old photos of your card stop working.
Never put a payment terminal, a CCTV system or an office computer on the network you print on a card. If your router cannot do a guest network, a second cheap router for guests is the fix.
Airbnb, holiday lets and offices
- Airbnb. Airbnb's help pages say Wi-Fi details go in the listing's arrival guide and house manual, shared with guests after booking, and multi-unit hosts have a Wi-Fi details field in the room editor. The printed card belongs in the welcome pack and on the fridge, because the first thing a guest does is look for the code, not the app.
- Cafes and pubs. One card by the till, one on each table tent if the menu code is on the other side. Ask the agent for a double-sided table card: menu code on one face, Wi-Fi on the other.
- Offices and meeting rooms. A framed card in the meeting room ends the "can you email me the password" loop. Use a visitor network with a password that changes monthly.
- Salons, clinics, waiting rooms. A sign at the reception desk, with the network name printed so people on laptops can join too.
How an AI agent helps beyond the code
ChatGPT, Claude, Gemini, Microsoft Copilot, Manus and Meta's Muse can all write the Wi-Fi string and explain the format. On Jobbit the same chat produces the files and the cards, and does the next job from the same place.
- Makes the code and tests it by decoding its own output, then returns PNG and SVG.
- Lays out the card at A6 or table-tent size, double-sided with the menu code if you want, as a print-ready PDF.
- Reissues everything when the password changes, in one sentence.
- Makes the other codes a venue needs from the QR code tool: the menu, the booking page and the review link.
- Writes the house manual or the welcome page for a holiday let, with the Wi-Fi card built in, and hosts it on your own domain on the Go plan at £7 a month.
- Builds the menu page or the booking page that the other codes point at, which is the job a code generator cannot do.
The free plan gives 100 credits a day with no card, which covers the code, the card and a reissue.
A 10-minute plan
- Minutes 0 to 3. Open your router's app or admin page, turn on the guest network, give it a clear name ("Cafe-Luna-Guest") and a three-random-words passphrase. Check the main network's password is different.
- Minutes 3 to 5. Send the agent on Jobbit the message above with your network name and password. Download the PNG and the A6 card PDF.
- Minutes 5 to 8. Scan the card on screen with an iPhone and an Android phone. Both should offer to join the guest network.
- Minutes 8 to 10. Print on matt card, one for the till and one per table or room. Put a reminder in your calendar to change the password in three months and reissue the card.
Read next
- How to make a free QR code that never expires: seven uses, one prompt each.
- How to track QR code scans: UTM links and free alternatives to dynamic codes.
- Jobbit's four free tools in one place: QR codes, PDF compressor, image resizer and invoice generator.
Frequently asked questions
How do I make a Wi-Fi QR code for free?
Ask the agent on Jobbit for a Wi-Fi QR code with your network name, password and security type, and it returns a PNG, an SVG and a printable card in a chat, free and without a card. The code uses the standard WIFI: format, so it works with the built-in camera on iPhone and Android and never expires.
Does a Wi-Fi QR code expire?
No. The code contains the network name and password directly, with no server or subscription behind it, so it works until you change the password. When you do, make a new code; the old card stops working, which is what you want.
Can guests scan a Wi-Fi QR code without an app?
Yes. The iPhone Camera app has read Wi-Fi codes since iOS 11, and on Android the Camera app or Google Lens does the same and offers to connect. Laptops usually cannot scan, which is why the card should also show the network name and password in small type.
Is it safe to print my Wi-Fi password on a QR code?
Only for a guest network. The code stores the password in plain text, so anyone who scans or photographs the card can read it. Keep the till, the printer and the office computers on a separate network, change the router's default admin password, use WPA2 or WPA3 with a long passphrase, and change the guest password every few months.
Why does the Wi-Fi QR code not work?
The usual causes are a hidden network (iPhone will not join a hidden network from a code), a wrong security type in the code, a special character in the password that was not escaped, a code printed too small or cropped without white space, or a password that has changed since the card was printed. The agent tests that its code decodes correctly before it sends the files.
How do I share Wi-Fi with Airbnb guests?
Put the network name and password in the listing's arrival guide and house manual, which Airbnb shares with guests after booking, and leave a printed Wi-Fi QR card in the welcome pack and on the fridge. Use a guest network separate from any smart locks, cameras or your own devices.
What size should a Wi-Fi QR code be printed?
At least 3 cm wide for a card read from about 30 cm, following the 10 to 1 rule between scanning distance and code width, with white space around it and dark print on a light background. The agent's card layout uses those sizes, and the QR code tool applies the same rules to menu and review codes.