Select Scan Method
Upload QR Code Image
🔧 Troubleshooting QR Code Scanning Issues
Having trouble scanning your WiFi QR code? Follow these solutions for common problems:
❌ QR Code Won't Scan
Possible Causes:
- Poor lighting: Move to a brighter area or enable flashlight/torch on your device
- QR code too small: Try zooming in with your camera or moving closer to the code
- QR code too large: Step back so the entire code fits within the camera frame
- Blurry image: Hold your device steady for 1-2 seconds and tap to focus
- Damaged QR code: Ensure the code isn't smudged, wrinkled, or partially covered
- Low contrast: The QR code may have insufficient contrast between foreground/background colors
🚫 Camera Permission Denied
Solutions:
- iPhone/iPad: Go to Settings → Safari → Camera, and select "Allow"
- Android Chrome: Go to Settings → Site settings → Camera, find this website and allow access
- Desktop browsers: Click the camera icon in the address bar and select "Always allow"
- Alternative: Use the "Upload Image" mode instead to scan a saved screenshot
🔀 Wrong Network Information Displayed
Causes & Solutions:
- Scanned wrong code: Ensure you're pointing at the correct QR code
- Outdated QR code: The WiFi password may have changed - generate a new code
- Multiple codes nearby: In continuous scan mode, make sure the correct code is centered
- Corrupted data: Try regenerating the QR code with higher error correction
📱 Phone Scans But Won't Connect
Common Issues:
- Incorrect password: Verify the password in the QR code matches your router
- Wrong security type: Ensure the security type (WPA2/WPA3) matches your network
- Hidden network: Make sure the "hidden" setting is correct
- Special characters: Some devices struggle with certain special characters in passwords
- Network range: Make sure you're within range of the WiFi router
- Device compatibility: Requires iOS 11+, Android 10+, or newer
📉 Low Scan Reliability
How to Improve:
- Increase size: Generate QR code at 1024px or larger for printing
- Higher error correction: Use "High" error correction level for damaged/dirty environments
- Better contrast: Use black on white (default) for best results
- Print quality: Use a high-quality printer (at least 300 DPI) for physical codes
- Avoid stretching: Don't resize QR codes non-proportionally (maintain aspect ratio)
- Clean surface: Print on clean, flat, non-reflective surfaces
⚠️ "Not a Valid WiFi QR Code" Error
Explanation:
- The scanned QR code doesn't contain WiFi network information
- It may be a URL, text, or other type of QR code
- WiFi QR codes must start with
WIFI: - Use our generator to create a proper WiFi QR code
💡 Pro Tips: For best results, print QR codes at least 2x2 inches (5x5 cm) in size. Test your QR code immediately after generating using this scanner. Keep a backup of your QR code image in case you need to reprint it.
Still having trouble?
Try using the Upload Image mode to test your QR code, or regenerate a new code with larger size and higher error correction.
How WiFi QR Scanning Works
Upload Mode: Upload a saved QR code image from your device. The scanner will decode the image and extract WiFi credentials.
Camera Mode: Use your device's camera to scan a physical QR code. Point your camera at the QR code and it will be decoded automatically.
Privacy: All scanning happens in your browser. The QR code image never leaves your device. Your WiFi credentials are only displayed to you.
Supported Format: This scanner works with standard WiFi QR codes that follow the WIFI:T:security;S:ssid;P:password;H:hidden;; format.