Wi-Fi QR Code Generator
Let guests join your network instantly — no typing, no reading out passwords. Scan once and connect. Works on all iPhones and Android phones.
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How Wi-Fi QR codes work
A Wi-Fi QR code encodes a WIFI: string containing your network name (SSID), password, and encryption type. When scanned with a smartphone camera, iOS and Android parse this string and automatically prompt the user to join the network — no manual input required.
The format looks like: WIFI:T:WPA2;S:YourNetwork;P:YourPassword;H:false;;. The device reads each field and passes the credentials to the OS network manager. The entire process takes one tap.
Where Wi-Fi QR codes are most useful
- Cafés and restaurants: Frame the code on each table or at the counter. Eliminates the most common customer service interruption in hospitality.
- Hotels and short-term rentals: Print the code on a welcome card. Guests connect the moment they arrive without waiting for a staff member to relay the password.
- Co-working spaces and offices: Place the code at the front desk for visitors and contractors. Keeps your main network credentials off sticky notes.
- Events and conference rooms: Post the code at the entrance. Handles dozens of simultaneous connections without any staff involvement.
- Home guest network: Frame the code somewhere visible in the living room. Guests connect themselves; you never have to spell out the password again.
- Retail stores: Display near the entrance for customer-facing networks. Increases dwell time without manual onboarding.
Security considerations
A Wi-Fi QR code gives network access to anyone who scans it, just as sharing the password verbally would. For most guest network use cases this is the intended behaviour. For networks with access to sensitive internal systems, restrict physical distribution of the printed code accordingly.
Best practice for businesses: use a separate guest network isolated from your main infrastructure, display the QR code for the guest network only, and rotate the guest password (and regenerate the code) periodically. Most modern routers support a dedicated guest SSID with client isolation at no additional cost.
Frequently Asked Questions
Does a Wi-Fi QR code work on all smartphones?
Yes, on all modern devices. iPhone has supported Wi-Fi QR codes natively via the Camera app since iOS 11 (2017). Android has supported them natively since Android 10 (2019). On older Android devices, a QR scanner app will still read the code but may present the credentials as text rather than triggering an automatic join prompt.
Is the Wi-Fi password visible when someone scans the code?
No. The scanning device reads the credentials and uses them to connect automatically — the user never sees the password in plain text during the normal scan-and-connect flow. However, the password is encoded in the QR code itself. Anyone who scans it with a QR reader app (rather than the native camera) can view the raw WIFI: string, which includes the password. Treat a Wi-Fi QR code like a written-down password: fine to display in a controlled space, not something to post publicly online.
What is the difference between WPA, WPA2, and WEP?
WPA2 is the standard encryption protocol on virtually all routers made after 2006 and is what you should select in almost every case. WPA is an older variant used on some legacy hardware. WEP is an obsolete protocol from the 1990s that is easily cracked and should not be used — if your router only supports WEP, upgrading the router is the correct fix. The encryption type must match your router's actual setting, or devices will fail to connect even with the correct password.
What if my network has no password (open network)?
Select "None" as the encryption type and leave the password field empty. The generated WIFI: string will include T:nopass and devices that scan it will connect directly without any credential prompt. Open networks without passwords are common in some public spaces but carry security risks — all traffic is visible to other devices on the network.
Do I need to reprint the QR code if I change my Wi-Fi password?
Yes. The password is encoded directly in the QR code pattern. If you change your router password, the old code becomes invalid and you need to generate a new one and replace any printed copies. This is the main operational consideration for displaying Wi-Fi QR codes in physical spaces — plan for occasional reprints when rotating passwords.
Can I use a Wi-Fi QR code for a hidden network?
Yes. Enable the "Hidden network" toggle when generating the code. The WIFI: string will include H:true, which tells the device that the SSID is not broadcast. The device will still attempt to connect by sending the network name directly. Note that connecting to hidden networks via QR code is supported on iOS 16+ and most recent Android versions, but behaviour on older OS versions may vary.