A Wi-Fi QR code turns your network name and password into a square that phones read from the camera. The phone then offers a one-tap prompt to join — no reading out a long password, no typos. iPhones on iOS 11 or later and Android phones on version 10 or later do this natively.
→ Make one now with the free Wi-Fi QR Code Generator. It runs in your browser; the password is never uploaded.
1. Guest Wi-Fi at home
Print the code on a small card and leave it by the front door or on the fridge. Visitors join in a second, and you never have to dictate Xk9$mQ2pLw7vRt4z across the room. Point it at your router's guest network if it has one, so guests can't see your other devices.
2. Cafes, bars, and restaurants
A table tent, a sticker on the counter, or a line on the menu. Customers connect without asking staff, and staff stop repeating the password fifty times a shift. Use a guest SSID kept separate from the till and back-office systems.
3. Short-term rentals and hotels
Add the code to the welcome binder or frame it on the wall. Guests arriving late at night with one bar of mobile signal get online without a phone call. Laminate it so it survives a few hundred check-ins.
4. Office reception and meeting rooms
Put the code on the reception desk and in each meeting room for visitors and contractors. Keep it on an isolated guest VLAN — never the corporate network — and rotate it on a schedule by generating a fresh code.
5. Events, workshops, and pop-up stalls
Drop the code on a slide, a banner, or a badge. Attendees connect to the venue or your portable hotspot without a helper walking the room. When the event ends, the network and the code retire together.
6. Classrooms, libraries, and clinics
Post the code where students or patients can see it from their seat. It cuts the "what's the Wi-Fi?" questions to near zero and works for anyone, including people who would struggle to type a long string on a small screen.
7. Setting up a new phone, tablet, or e-reader
Keep a printed code inside a drawer or cupboard. When you add a device, or a family member visits with a new phone, you scan instead of hunting for the password on a router label. Handy for tablets and e-readers that are awkward to type on.
8. Rotating a shared password
Because the printout is disposable, a Wi-Fi QR code makes password changes painless. Change the password, generate a new code, swap the card. Anyone still holding the old one is simply cut off — which is the point.
Do it well
- Use a guest network that is isolated from your main devices (look for "client isolation" or a separate guest SSID on your router).
- Put a strong random password behind it. The QR code removes the pain of typing, so there is no reason to keep it short — our strong password generator makes one in a click.
- Raise the error-correction level to Q or H if you will print the code small or place a logo over the centre.
- Test-scan the code with one phone before you print a batch, and remember the printout holds the password in plain text — put it where only the right people can see it, and regenerate it after any password change.
Generate your Wi-Fi QR code → · Related: find your Wi-Fi IP address.