DEV Community

Cover image for How to Create a QR Code for Your WiFi — Let Guests Connect Without Typing the Password
Shaishav Patel
Shaishav Patel

Posted on

How to Create a QR Code for Your WiFi — Let Guests Connect Without Typing the Password

#webdev #productivity #tooling #beginners

Every time a guest comes over, someone has to find the WiFi password, spell it out letter by letter, and watch them type it wrong twice. A WiFi QR code solves this: scan it with any phone camera, tap to connect. Done.

The wifi qr code generator creates a WiFi QR code in seconds — enter your network name and password, download the code, and post it wherever guests can see it.

How to Create a WiFi QR Code

  1. Open the QR code for WiFi free
  2. Click the WiFi tab in the content type bar
  3. Enter your Network Name (SSID) — exactly as it appears when devices search for networks
  4. Select Security Type: WPA (most home routers), WEP (older), or Open (no password)
  5. Enter your WiFi password (only shown for WPA/WEP)
  6. Download the QR code as PNG or SVG

Print it, put it in a photo frame, tape it to the router, add it to a guest room welcome card — wherever makes sense for your space.

How It Works

WiFi QR codes use a standardized format that phone cameras understand natively:

WIFI:S:NetworkName;T:WPA;P:password;;
Enter fullscreen mode Exit fullscreen mode
  • S: — the SSID (network name)
  • T: — security type (WPA, WEP, or nopass)
  • P: — the password

Any modern Android or iOS camera app reads this format and offers a "Join Network" prompt. No QR code scanner app needed — just the default camera.

Security Type: Which One to Choose

WPA / WPA2 / WPA3 — select this for virtually all modern home and office routers. If your router was set up in the last decade, it's WPA.

WEP — older routers only. WEP is considered insecure; if your router uses WEP, it's worth updating the security settings.

Open (no password) — for networks with no password. The QR code connects the device without prompting for any credential.

If you're not sure which your router uses, check the router's settings page (usually accessed at 192.168.1.1 or 192.168.0.1 in a browser) or the sticker on the back of the router.

Customization Options

The wifi password qr code is generated with the same customization options as any other QR type:

  • Dot style — square, rounded, dots, classy
  • Colors — foreground and background
  • Center logo — upload your own image (company logo, home icon)
  • Error correction — set to H (30% recovery) when using a center logo
  • Download size — 512px to 4000px PNG, or SVG for print

For a home setting, the defaults work fine. For a café, office, or Airbnb, adding a logo and matching brand colors makes it look intentional.

Static vs Trackable

The QR code generator offers both static and trackable (dynamic) modes. For WiFi codes, use Static — the WiFi connection data is encoded directly in the QR pattern. There's nothing to track and no redirect URL to change.

Trackable codes are useful when the destination URL needs to change after printing. For WiFi credentials encoded directly in the QR, static is the right choice.

Where to Use It

  • Printed and framed near the entrance for guests
  • Added to a welcome card in an Airbnb or guesthouse
  • Posted in a conference room or office common area
  • On a custom sticker on the router itself
  • In a printed house manual for a rental property

The QR code generator is free at WiFi QR Code Generator — select the WiFi tab, enter your details, download. Part of Ultimate Tools, a free collection of browser-based developer and productivity tools.

Top comments (0)