How to Make a WiFi QR Code (Free, Step by Step)

A WiFi QR code turns your network login into a single square that any phone can read. Instead of reading out a long password or spelling it letter by letter, you let people point their camera at the code and tap a prompt to join. It works well for a guest room, a cafe table, an office lobby, or the back of a business card, and you can make one for free in a couple of minutes.

What a WiFi QR Code Actually Does

The code stores your network details in a small text format that phones understand. When someone scans it, the phone reads the network name, the password, and the security type, then offers to connect. Nothing is downloaded and no app is required on most modern phones. The person still joins your normal WiFi network the same way they would by typing it in by hand, just faster and without typos.

Because everything the phone needs is inside the code itself, a WiFi QR code keeps working even after you print it. There is no link to a website and no account to manage.

The Fields You Need

To build the code, gather a few details about your network first. You will usually find these on the bottom or back of your router, or in your router's settings.

• Network name (SSID): the exact name of your WiFi as it appears in the list of networks. Capitalization matters, so match it precisely.
• Password: the WiFi password. Type it carefully, since one wrong character will stop the connection from working.
• Security type: choose WPA/WPA2/WPA3 for almost all home and business routers. Pick WEP only for very old equipment, and choose None for an open network with no password.
• Hidden network: check this option only if your router is set to not broadcast its name. Most networks are not hidden, so you can leave it off.

How to Create the Code

Open the QR code generator and follow these steps.

1. Choose the WiFi option so the tool asks for network details instead of a plain link.
2. Enter your network name exactly as it appears on your devices.
3. Type the password, then double check it against your router.
4. Select the correct security type, usually WPA.
5. Turn on the hidden setting only if your network is hidden.
6. Download the finished code as an image so you can print or share it.

Before you rely on it, test the code yourself. Scan it with a phone that is not already connected and confirm it joins the network cleanly.

How Guests Scan It

On most recent phones, scanning is built into the camera. Guests open the camera app, point it at the code, and wait for a banner or notification to appear. Tapping that prompt brings up a join option, and the phone connects. On some older devices, people may need to open the QR scanner inside their settings or use a free scanner app, but the steps are the same: aim, wait, and tap to join.

Printing It for a Room or Cafe

A printed code is where this really shines. Keep these tips in mind so it scans reliably.

• Print it large enough to scan from a comfortable distance. A code the size of a coaster works well on a table, while a wall sign should be bigger.
• Keep strong contrast, ideally dark code on a plain white background, and avoid printing it over a busy photo.
• Leave a clear border of empty space around the square so the camera can find its edges.
• Add a short line of text like "Scan to join our WiFi" so guests know what it is.
• Consider laminating a code that will be handled often, such as one in a guest room or on a counter.

Keeping Your Password Private

When you generate the code in your browser, your network name and password are turned into the image on your own device. A good tool builds the code locally, so the password does not need to be sent to or stored on any server. That said, remember that the code itself contains your password in a form phones can read, so treat a printed WiFi code like the password itself. Display it where you trust the people who can see it, and if you ever change your WiFi password, simply make a fresh code to replace the old one.