masstree.inWi-Fi QR Code Generator
Guests scan once and they're connected — no reading out long passwords.
Runs in your browser — nothing is uploaded or stored on a server.
Preview
Fill in the form to see your code.
Encodes:
Test it with your phone camera before printing. Keep the colour dark on a light background for reliable scanning.
Many codes at once
Uses the colours and error correction set above. Labels become file names and captions.
How it works
The code holds your network name, password and security type in the standard format that iPhone and Android cameras recognise. Scanning offers to join the network.
Print it
Save as PNG or SVG and print it for a café counter, office reception or guest room. Add a caption like “Scan for Wi-Fi”.
Security
Anyone who can see the code can join, so keep it inside. The password is never sent to a server — the code is made in your browser.
Questions
Does it work on iPhone?
Yes, the iPhone camera recognises Wi-Fi codes on iOS 11 and later.
What if I change my password?
Make a new code — the old one will stop working.
Hidden network?
Tick “Hidden network” and it still works.