Privacy Policy

Last updated: December 22, 2025

This Privacy Policy describes how onthu.com ("we", "us", or "our") collects, uses, and protects your information when you use our website and services.

Information We Collect

Information You Provide

When you use our tools, you may voluntarily provide certain information such as:

• Location data for weather forecasts
• Personal measurements for BMI calculations
• Names and other data for password generation
• Participant lists for the lucky wheel

Automatically Collected Information

We may automatically collect certain information about your device and usage:

• IP address and geolocation data (when you allow location access)
• Browser type and version
• Device information
• Usage patterns and preferences

How We Use Your Information

We use the information we collect to:

• Provide and improve our services
• Process your requests and deliver results
• Enhance user experience
• Ensure security and prevent abuse
• Comply with legal obligations

Data Processing Location

All data processing occurs locally in your web browser. We do not store or transmit your personal data to our servers. Your information remains on your device and is not sent to us.

Third-Party Services

Our website uses third-party services for certain functionalities:

Weather Data

We use Open-Meteo API for weather information. When you request weather data, your location query is sent directly to their service. Please refer to Open-Meteo's privacy policy for details.

Maps and Location Services

GPS and mapping features use OpenStreetMap and Nominatim geocoding services. Location data is sent directly to these services when you use location-based tools.

Advertising

We use Google AdSense to display advertisements. Google may collect information about your browsing activity to provide relevant ads. Please refer to Google's Privacy Policy for more information.

Data Security

We implement appropriate technical and organizational measures to protect your information:

• All processing happens in your browser - no server-side data storage
• No cookies or tracking mechanisms used by our service
• HTTPS encryption for all communications
• Regular security updates and monitoring

Your Rights

You have the right to:

• Access the information we have about you
• Correct inaccurate information
• Request deletion of your data
• Object to processing of your data
• Data portability

Since we don't store your data on our servers, most of these rights are automatically fulfilled as your data remains under your control.

Cookies and Tracking

onthu.com does not use cookies or tracking technologies. However, third-party services we integrate (like Google AdSense) may use their own cookies. You can control these through your browser settings.

Children's Privacy

Our services are not intended for children under 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new policy on this page and updating the "Last updated" date.

Contact Us

If you have any questions about this Privacy Policy, please contact us through our contact page.