Privacy Policy

Last updated: 2026-04-19

1. Overview

Numvion ("we", "our", "us") operates the website numvion.com. This Privacy Policy explains how we collect, use, and protect information when you visit our website.

We are committed to protecting your privacy. Our calculators and tools run entirely in your browser — we do not collect, store, or transmit your calculation inputs or results.

2. Information We Collect

We do NOT collect: Names, email addresses, phone numbers, calculation inputs, calculation results, or any personally identifiable information through our tools.

Automatically collected data: When you visit our website, our analytics services may collect: IP address (anonymized), browser type and version, device type, operating system, pages visited and time spent, referring website, and approximate geographic location (country/city level).

3. Cookies and Tracking Technologies

We use cookies and similar technologies for the following purposes:

Essential cookies: Language preference (NEXT_LOCALE) to remember your selected language across visits.

Analytics cookies: Google Analytics 4 (GA4) helps us understand how visitors use our site. Google Analytics uses cookies to collect anonymous usage data. You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.

Advertising cookies: We may display advertisements through Google AdSense, which uses cookies to serve relevant ads. Google's use of advertising cookies is governed by their Privacy Policy.

4. Third-Party Services

We use the following third-party services:

Google Analytics: For anonymous website traffic analysis. Google Privacy Policy.

Google AdSense: For displaying advertisements. AdSense may use cookies to personalize ads.

Cloudflare: For content delivery, performance optimization, and security. Cloudflare Privacy Policy.

These services may collect information as described in their respective privacy policies. We do not sell or share your personal data with any other third parties.

5. Data Retention

We do not store any personal data on our servers. Analytics data is retained by Google Analytics according to their data retention settings. Cookie data is stored on your device and expires according to each cookie's defined lifetime.

6. Your Rights

Depending on your jurisdiction, you may have the right to: access the personal data we hold about you, request deletion of your data, opt out of analytics tracking, disable cookies through your browser settings.

Since we do not collect personal data through our tools, most data requests can be resolved by clearing your browser cookies. For any privacy-related inquiries, contact us at [email protected].

7. Children's Privacy

Our website is not directed at children under 13. We do not knowingly collect personal information from children. Our calculators and tools are educational in nature and safe for all ages to use.

8. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated date. We encourage you to review this policy periodically.

9. Contact

If you have any questions about this Privacy Policy, please contact us at [email protected].