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Wi-Fi card

Printables

How do I share my Wi-Fi with guests?

A printable card with a QR code that joins your Wi-Fi when guests scan it with a phone camera.

Your network

Exactly as phones list it

Card

For example where the router is, or a request

Wi-Fi card

Enter your network

One card, centred on the page

Paper

Fill in the network name to see your card

Download

To save a PDF, choose “Save as PDF” in the print dialog.

Card details

Security
WPA, WPA2 or WPA3
Printed size
–
QR version
–

Print at actual size (100 %). Test the code with your own phone before you put the card out.

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A printable card with a QR code that joins your Wi-Fi when guests scan it with a phone camera.

How to use

  1. Type your network name exactly as your phone lists it, choose the security type and enter the password.
  2. Pick one card or six per sheet, a heading and an optional note.
  3. Print at actual size, scan the code with your own phone to test it, and put the card where guests can see it.

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How it works

Phones can join a Wi-Fi network from a QR code. The code holds a short line of text in a format that the camera apps of iPhone and Android recognise: the network name, the security type and the password. Scanning it offers to join, so nobody has to type a long password.

The text looks like WIFI:T:WPA;S:Guests;P:correct horse;; where T is the security (WPA also covers WPA2 and WPA3), S the network name and P the password. A hidden network adds H:true. Because ; , : " and \ separate the parts, they get a backslash in front, so a network called Café;Bar becomes S:Café\;Bar.

The card also prints the name and password in a typeface where 0 and O, 1, l and I look different, for laptops and for anyone who prefers typing. Network names are at most 32 bytes and WPA passwords 8–63 characters, as the Wi-Fi standard requires.

Your password is used only in this browser tab: it never goes into the address, a shared link or our server. Anyone who can see the card can join your network, so a separate guest network is a good idea.

Frequently asked questions

Which phones can scan the code?

iPhones with iOS 11 or later and most Android phones from Android 10 on join from the built-in camera. Older phones need a QR reader app.

My router says WPA2 or WPA3. Which do I choose?

Choose WPA, WPA2 or WPA3: the code uses the same type for all three, and the phone agrees on the right one with the router.

Is it safe to print my password?

The card is as safe as a note with the password on it: anyone who sees it can join. Use a guest network if your router has one, and change its password when you want to cut off old guests.

Can I save the card as a PDF?

Yes: press Print and choose Save as PDF as the printer. You can also download the QR code alone as a PNG or SVG image.

Will the card still work after I change the Wi-Fi password?

No. Generate and print a new card with the new password. The old QR code keeps the old credentials.

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