What is a Wi-Fi QR Code?
A Wi-Fi QR code encodes your network name (SSID), password, and security type directly into a scannable image. When someone scans it with their phone camera, they get a prompt to join your network instantly — no typing required.
It works on iOS 11 and later, and Android 10 and later, which covers virtually every smartphone in use today.
Why You Should Use One
Think about every time you've had to read out a long, random Wi-Fi password to a guest, a client, or a customer. Or handed them a card with a password that's easy to misread. A Wi-Fi QR code eliminates all of that friction.
Common use cases:
- Cafes and restaurants — print it on menus or table tents
- Hotels and Airbnbs — put it in the welcome book or on the wall
- Offices — stick it near the reception desk for visitors
- Events — display it on-screen or at the entrance
- Home — share your guest network without ever revealing the password
How to Create a Wi-Fi QR Code (Free)
You can generate a Wi-Fi QR code in under a minute using SmartQR Hub — no account needed to preview:
- Go to the Wi-Fi QR Code Generator
- Enter your network name (SSID)
- Select your security type — WPA/WPA2 for most modern routers
- Enter your Wi-Fi password
- If your network is hidden, toggle the "Hidden network" option
- Preview the QR code live and customise the colors if you want
- Download as PNG (for digital use) or SVG (for print)
Is It Safe to Use a Wi-Fi QR Code?
Yes — with a few sensible precautions:
- Use it for a guest network, not your main network. Most modern routers let you set up a separate guest network with a different password. Share the QR code for that one.
- Control who has the image. Treat the QR code like a physical key — only share it with people you trust, or display it only in your own space.
- Change your password periodically. If you print the QR code, remember to reprint it when you update your password.
What Encryption Types Are Supported?
SmartQR Hub supports all standard Wi-Fi security types:
- WPA / WPA2 — the standard for virtually all modern routers
- WEP — an older, less secure standard (use WPA2 if possible)
- None — for open networks with no password
Tips for Printing Your Wi-Fi QR Code
If you plan to print the code:
- Download the SVG format — it scales to any size without losing quality
- Make the code at least 3cm × 3cm when printed — smaller codes can be hard to scan
- Ensure high contrast between the QR code and the background (black on white works best)
- Test the printed code with your phone before distributing it
Frequently Asked Questions
Does the QR code expire?
No. The QR code is static — your network credentials are encoded directly into the image. It works indefinitely unless you change your Wi-Fi password.
Can someone use it to see my password?
On iOS, when a user scans the code they simply get a "Join network" prompt — the password is not shown. On Android, the password is occasionally visible in the Wi-Fi settings after joining. For maximum privacy, use a separate guest network.
Does it work if my network is hidden?
Yes — enable the "Hidden network" toggle when generating the code so devices know to search for a non-broadcasting network name.