Privacy Policy

Last Updated: September 2025

1. Information We Collect

Personal Information

TopCalculatorOnline does not require users to create accounts or provide personal information to use our calculators. We do not collect names, email addresses, or other personally identifiable information unless voluntarily provided for support purposes.

Calculation Data

We do not store, save, or transmit the numerical inputs or results from any calculator usage. All calculations are performed locally in your browser and are not retained on our servers.

Automatically Collected Information

We may automatically collect certain technical information including:

• IP addresses (for security and analytics)
• Browser type and version
• Operating system information
• Pages visited and time spent
• Referring website information

2. How We Use Information

Any information collected is used solely to:

• Provide and maintain our calculator services
• Improve website performance and user experience
• Monitor website security and prevent abuse
• Generate anonymous usage statistics
• Comply with legal obligations when required

3. Google AdSense and Cookies

Our website uses Google AdSense to display advertisements. Google may use cookies and similar technologies to:

• Serve personalized advertisements based on your interests
• Measure ad performance and effectiveness
• Provide relevant content and improve user experience

You can opt out of personalized advertising by visiting Google Ad Settings.

4. Data Security

We implement appropriate security measures to protect against unauthorized access, alteration, disclosure, or destruction of information. However, no method of transmission over the Internet is 100% secure.

5. Third-Party Services

Our website may include:

• Google Analytics: For website traffic analysis
• Google AdSense: For advertisement display
• CDN Services: For faster content delivery

These services have their own privacy policies governing data collection and use.

6. Data Retention

We retain anonymous usage data only as long as necessary for the purposes outlined in this policy. Personal information, if provided for support, is deleted within a reasonable timeframe after resolution.

7. Your Rights

You have the right to:

• Use our calculators without providing personal information
• Disable cookies in your browser settings
• Request information about data we may have collected
• Opt out of personalized advertising

8. Children's Privacy

Our services are not directed at children under 13. We do not knowingly collect personal information from children under 13. If we become aware of such collection, we will take steps to delete the information.

9. International Users

By using our website, users from outside the United States consent to the transfer and processing of their information in the United States, where our servers are located.

10. Changes to Privacy Policy

We may update this Privacy Policy periodically. Users will be notified of significant changes through website notices. Continued use constitutes acceptance of the updated policy.

11. Contact Information

For privacy-related questions or concerns, please contact us through our website. We are committed to addressing privacy inquiries promptly and transparently.