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Wi-Fi QR code generator.

Guests ask for the Wi-Fi, and then a long password gets spelt out. With a Wi-Fi QR code they connect with one scan. Network name and password only sit in the code; we store none of it.

  • No account
  • WPA, WEP or open
  • Logo and frame
  • PNG, SVG and print PDF

1Content

What should your QR code show?

2Look

Scans well

Contrast, margin and shapes are fine.

Example with this page

Shape of the small dots that make up the code.

Popular
Square
Round
Elegant
Shapes
Lines

The three large corners that cameras use to find the code. Some scanners read shapes marked “please test” less reliably.

Outer frame
Popular
Simple
Shaped
Made of dots
Inner dot
Popular
Simple
Shaped
Figures
From
To
Background

A frame with a short text says what the code does. The code itself stays unchanged and easy to scan.

Frame
Order 12 stickers with a changeable QR code 
Error correction

Higher means sturdier against scratches and logos, but denser. “Automatic” fits almost always.

Size per level: L 29 × 29 · M 33 × 33 · Q 37 × 37 · H 41 × 41

Smallest print width for 20 cm distance: L 2.5 cm · M 3 cm · Q 3 cm · H 3.5 cm

Level H needs a finer grid here (41 × 41 instead of 29 × 29). Print the code a little larger then. The shorter the content, the coarser the grid.

3Create

3 of 3 codes left

Without JavaScript you download your code directly as PNG, SVG or PDF.

With a free account you get 3 more codes, dynamic ones, each active for 7 days from creation: change the target later, with statistics.

How to make your Wi-Fi code

You need the network name and password. Both are often printed on the router.

  1. 1

    Enter the network name

    Under “Wi-Fi” you enter the network name (SSID) exactly as it appears in the router, including upper and lower case.

  2. 2

    Password and security

    Usually it is WPA/WPA2/WPA3. For a network without a password, choose “Open”.

  3. 3

    Design it

    Colours, your logo and a frame such as “Connect to Wi-Fi” or “Guest Wi-Fi”. Then select “Create QR code”.

  4. 4

    Test with another phone

    Use a phone that has not joined the network yet. After the scan it asks whether to connect.

Size and print

Our rule of thumb: a module, the smallest dot of the code, is at least one three-hundredth of the scanning distance, and never under 0.4 mm.

  • On a table and on a wall

    A network like “Café Guests” with a 16-character password makes 33 × 33 modules at error correction M, the usual level. On a table (20 cm) 3 cm is enough; on a wall for a 1 m distance, 14 cm.

  • With a logo

    With a logo the error correction rises to H, the highest level, and the code gets 41 × 41 modules. For a 20 cm distance, 3.5 cm works well.

  • Good spots

    Where guests arrive or wait: reception, counter, table, guest room. Well lit and without reflections.

Common mistakes

  • Network name spelt differently

    One different capital letter or a missing space, and the phone cannot find the network. Copy the name exactly.

  • Main network for guests

    Anyone who scans the code can read the password. A separate guest network, which many routers offer, keeps guests apart from your own devices.

  • Hidden network not ticked

    If your Wi-Fi does not show its name, turn on “Hidden network”. Otherwise the phone searches in vain.

Frequently asked questions

How does a Wi-Fi QR code work?

The code contains the network name, security type and password in a fixed format. The phone camera recognises it and offers to connect.

Do you store my Wi-Fi password?

No. The password only goes into the code you download. Anyone who scans the code can see it.

Can I change the password later without reprinting?

No. The phone reads the access details straight from the code, so Wi-Fi codes are always static. For a new password you create a new code.

Which security type should I choose?

The one your router uses, usually WPA2 or WPA3: that is what “WPA/WPA2/WPA3” stands for, with a password of 8 to 63 characters. “Open” is for networks without a password.

More use cases