WiFi QR Code Generator

How a WiFi QR code works

A WiFi QR code is a special text QR code. Instead of pointing to a website, it encodes your network credentials in a small, standardized string that phones recognize automatically. The format looks like this:

WIFI:T:WPA;S:YourNetworkName;P:YourPassword;H:false;;

Each part has a specific meaning:

T -- the security type: WPA (covers WPA2/WPA3), WEP, or nopass for an open network.
S -- the SSID, which is your network name exactly as it appears on the router.
P -- the password. Leave it empty for an open network.
H -- the hidden flag: true if your network name is not broadcast, otherwise false.

When someone points their camera at the code, the phone reads that string, recognizes the WIFI: prefix, and offers a one-tap "Join Network" prompt. The guest never sees or types the raw password.

How to make a WiFi QR code

Open the generatorGo to the free QR Cheetah generator and choose the WiFi template.
Enter your network detailsType your exact network name (SSID), the password, and the security type (usually WPA2/WPA3). Set the hidden flag to match your router.
Customize and downloadAdjust the colors, then download a high-resolution PNG or SVG.
Print and display itPlace the code where guests will see it -- a reception desk, a table tent, a framed card, or a break-room wall.

Where a guest WiFi QR code helps

Cafes, bars & restaurants

Skip repeating the password to every table. A framed code at the counter or on each table gets guests online instantly.

Hotels & short-term rentals

Print the WiFi code in the welcome binder or on a bedside card so every guest connects without calling the front desk.

Offices & waiting rooms

Give visitors quick, controlled access to a guest network without handing out your internal password.

Events & pop-ups

Put a WiFi code on signage or badges so attendees connect the moment they arrive.

Static vs dynamic: a note for WiFi codes

A standard WiFi QR code is static -- the SSID and password are encoded directly into the pattern. That is exactly why it keeps working forever with no account and no scan limit, but it also means the code cannot be edited: if you change the WiFi password, you generate a new code.

If your password rotates often, there is a flexible alternative. Point a dynamic QR code at a simple landing page that shows the current credentials, then update that page whenever the password changes -- the printed code stays the same. Dynamic codes are free to create on QR Cheetah, and you can track how many people scanned. Explore upgrade plans from $7/month if you need several dynamic codes or custom branding.

WiFi QR code security tips

Use a separate guest network. Keep visitors isolated from your main devices, printers, and file shares.
Keep WPA2 or WPA3 encryption on. Avoid open (nopass) or WEP networks for anything you care about.
Remember the code reveals the password. Anyone who photographs the printed code can extract the credentials, so display it only where you want people connecting -- never post it publicly online.
Rotate the guest password periodically and reprint the code, or use the dynamic-landing-page approach above.
Match the hidden flag to your router. A mismatch is the most common reason a WiFi QR code fails to connect.

WiFi QR code FAQ

How does a WiFi QR code work?

A WiFi QR code encodes your network details as a short text string in the format WIFI:T:WPA;S:NetworkName;P:Password;;. When a phone camera reads it, the operating system recognizes the WiFi format and offers to join the network automatically, so guests never have to type the password by hand.

Is a WiFi QR code free to create?

Yes. QR Cheetah generates WiFi QR codes for free with unlimited scans. A WiFi code is a static code because the network name and password are encoded directly, so it works forever without any subscription.

Do WiFi QR codes work on iPhone and Android?

Yes. iPhones running iOS 11 or later and Android phones running Android 10 or later can join a WiFi network directly from the built-in camera app. On some older Android devices the guest may need a QR scanner app, but no special app is required on modern phones.

Can I change the WiFi password without making a new QR code?

A standard WiFi QR code is static, so the password is baked into the code and you must generate a new code if you change the password. If you want an editable option, you can instead point a dynamic QR code to a landing page that displays the current credentials, and update that page whenever the password rotates.

Is it safe to share WiFi with a QR code?

It is safe for guest access when done correctly. Best practice is to put visitors on a separate guest network isolated from your main devices, use WPA2 or WPA3 encryption, and display the QR code only where you want people to connect. Anyone who can see or photograph the printed code can read the password, so keep it off the public internet.

What is the difference between a hidden and visible network in a WiFi QR code?

The WiFi QR format includes a hidden flag (H:true or H:false). Set it to true only if your network SSID is not broadcast, otherwise leave it false. Getting this wrong is a common reason a WiFi QR code fails to connect, so match it to how your router is configured.