Wi-Fi QR code generator
Type your network name and password once, generate a QR code, and anyone can join by scanning — no typing, no misheard passwords over the counter. Free flat download, or 3D print it as a plaque that survives years of use.
What is a Wi-Fi QR code and how does it work
A Wi-Fi QR code encodes your network name, password and encryption type in one standardized text string (WIFI:S:...;P:...;T:...;). Modern phone cameras — iPhone (iOS 11+) and Android (9+) — recognize this format natively: point the camera, tap the "Join network" banner, done. No app, no typing, no copying a long password from a sticky note.
QR3D Maker has a dedicated Wi-Fi mode built into the generator — it is not a workaround using the link field, it builds the correct standards-compliant string for you from the network name, password and security type you enter.
Where people put a Wi-Fi QR code
- Home entryway or fridge — guests join without asking, kids' friends stop interrupting dinner to ask for the password.
- Office reception — visitors and contractors get online in one scan, no IT ticket.
- Coffee shops and cafés — a small counter card next to the register beats a chalkboard nobody can read from three tables back.
- Short-term rentals — this is one of the most common uses; see our dedicated guide for Airbnb and vacation rental hosts, including mounting tips and legal notes.
- Coworking spaces and waiting rooms — one plaque at the front desk instead of repeating the password all day.
Generate your Wi-Fi QR code
Step 1 — Switch to Wi-Fi mode
Open qr3dmaker.com and switch the content type from Link / Text to Wi-Fi.
Step 2 — Enter network name, password and encryption
Fill in the SSID and password, then pick the matching security type — WPA/WPA2 for almost all modern routers, WEP for older ones, or No password for an open network. Check "Hidden network" only if you disabled SSID broadcast.
Step 3 — Choose flat or 3D
For something quick and disposable, download the PNG or SVG and print it on paper or laminate it. For an object that survives spills, gets wiped down, and does not need reprinting, pick an object type — wall plaque, desk stand or keychain — and download the two-color 3MF or STL.
Step 4 — Pick colors and place it
A light base with a dark code scans most reliably under any lighting. Mount the plaque near the entrance or at eye level on a counter — the first place someone looks when they walk in.
Flat vs. 3D printed Wi-Fi QR
A printed paper QR is free and instant but fades, tears and gets replaced within weeks in a busy space. A 3D printed plaque costs about $1 in filament, takes under an hour to print, and lasts as long as the network password stays the same — for a deeper walkthrough on colors, mounting and cost for a rental property specifically, see our Wi-Fi QR plaque guide for Airbnb hosts.
The Wi-Fi QR text format
A Wi-Fi QR code is just text in a standard format that phones understand: WIFI:T:WPA;S:NetworkName;P:YourPassword;;. T is the security type (WPA for WPA, WPA2 and WPA3 networks, WEP for the very old kind, nopass for an open network), S is the network name (SSID) and P is the password. If your network is hidden, add H:true;. If the name or password contains special characters such as ;, ,, :, " or \, each one must be escaped with a backslash, which is the most common reason a code that looks fine fails to connect.
Security: use a guest network
A Wi-Fi QR code is a printed password: anyone who can see or photograph it can join. For that reason, point it at a guest network that is separated from your main network and from devices such as printers, cameras or file shares. Most modern routers offer a guest network with client isolation. Choose a reasonably long password, because nobody has to type it, and change it if you ever need to cut off access, then print a new plaque.
Troubleshooting when it does not connect
- Wrong security type. A WPA2 network encoded as
nopass(or the reverse) will not join. - Hidden network not flagged. If the SSID is hidden, the code needs
H:true. - Unescaped special characters in the name or password, as explained above.
- Case and spaces. SSIDs and passwords are case-sensitive and trailing spaces count.
- Older phones. Some older Android versions need a QR scanner app instead of the camera app.
Plan for password changes
The code is printed, so it only stays valid while the password does. A tidy approach for rentals and small businesses is a dedicated guest network with a password you rarely change, and a spare plaque ready to print the day you do. Because a 3D printed plaque costs only a small amount of filament, replacing it is cheap.
Related
Wi-Fi QR code — FAQ
Does my phone need an app to scan it?
No. iPhone (iOS 11+) and Android (9+) read Wi-Fi QR codes directly from the built-in camera app.
Is my password visible or unsafe once it's in a QR code?
Anyone who can see the QR could also see a written password on a card — the security model is the same. If you're concerned, set up a separate guest network on your router and encode that one instead.
Can I make one for a guest network?
Yes, and it's the recommended approach for any space with public access — keep your main network's QR private and only put the guest network's QR on display.
What if I don't use a password (open network)?
Select "No password" as the encryption type — the tool builds the correct QR format for an open network.
How is this different from just sharing a link to a document with the password?
A Wi-Fi QR uses the standardized WIFI: format that every phone camera understands and acts on directly — one scan joins the network. A link to a shared doc requires opening a browser, finding the password, then manually typing it into Wi-Fi settings.