Sharing a Wi-Fi password should not involve dictating a random string of characters letter by letter. With a Wi-Fi QR code, guests, customers, or visitors simply scan the code with their smartphone camera and connect to your network instantly — no manual password entry required.

This approach is widely used in hotels, cafes, coworking spaces, Airbnb properties, offices, and homes. It eliminates the awkward “What's the Wi-Fi password?” question and makes connecting seamless for everyone, including visitors who may not speak the same language.

How Wi-Fi QR Codes Work

A Wi-Fi QR code encodes your network name (SSID), password, and security type into a special format that smartphones recognize. When a device scans the code, the operating system detects that it contains Wi-Fi credentials and prompts the user to join the network. On most modern Android devices, the connection happens automatically. On iPhones running iOS 11 or later, a single tap on the notification is all that is needed.

The standard Wi-Fi QR code format looks like this:

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

Where T is the security type (WPA, WEP, or nopass), S is the network name, and P is the password. You do not need to construct this string yourself — our generator handles the formatting automatically when you enter a URL, or you can use a Wi-Fi QR code format string directly.

Where to Use Wi-Fi QR Codes

Wi-Fi QR codes are useful anywhere you want to share network access without verbally communicating a password:

• Homes and apartments — frame a small QR code near your router or on the fridge so guests can connect without asking
• Hotels and Airbnbs — include the QR code on the welcome card or near the door so guests connect the moment they arrive
• Restaurants and cafes — place the QR code on table tents, near the counter, or on the wall alongside your digital menu QR code
• Offices and coworking spaces — display the QR code in meeting rooms and reception areas for visitors and clients
• Events and conferences — include the QR code on event signage, badges, or printed programs
• Retail stores — offer free Wi-Fi to customers to encourage longer visits and engagement

Security Considerations

Sharing your Wi-Fi password via QR code is generally as secure as sharing it verbally or in writing — the security of your network depends on the encryption type (WPA2 or WPA3) and the strength of your password, not how the password is communicated.

However, there are a few things to keep in mind:

• Use a guest network — instead of sharing your primary network password, set up a separate guest network on your router. This keeps your personal devices and files isolated from guest traffic.
• Change the password periodically — if your Wi-Fi QR code is posted in a public space, update the password regularly and reprint the code
• Use WPA2 or WPA3 — never use WEP or an open network for anything that handles sensitive data
• Monitor connected devices — most routers have an admin panel that shows connected devices. Check it periodically if your QR code is in a high-traffic area.

For more on QR code security, see our guide on QR code safety and security.

How to Create a Wi-Fi QR Code

To create a Wi-Fi QR code with our tool, you can enter the Wi-Fi configuration string in the format shown above. Alternatively, enter the URL of a page with your Wi-Fi details. For the simplest experience with Wi-Fi-specific QR codes, use the string format:

WIFI:T:WPA;S:MyNetwork;P:MySecurePassword123;;

Replace MyNetwork with your actual network name and MySecurePassword123 with your actual password. If your network uses WPA2 or WPA3, use WPA as the type. For open networks with no password, use nopass and omit the P field.

Generate Your Wi-Fi QR Code

Enter your Wi-Fi configuration string or a URL below to generate a QR code. Print it, frame it, or add it to signage in your space.

Printing and Displaying Your Wi-Fi QR Code

Once you have generated your Wi-Fi QR code, you need to display it where people can easily scan it. Here are some practical tips:

• Print at least 3 cm × 3 cm — for close-range scanning (table or wall), this size works well. For scanning from across a room, go larger.
• Add context — print the QR code with a label like “Scan for Wi-Fi” and optionally the network name (but not the password in text).
• Laminate or frame — protect the printed code from wear, spills, and fading, especially in kitchens, bathrooms, or high-traffic areas.
• Test it — scan the printed code with multiple devices before posting it permanently. Make sure the connection works on both iPhone and Android.