Privacy Policy

MathNinja.io is operated by REFINELY FZ-LLC, a company incorporated in the United Arab Emirates. We are committed to protecting your privacy. This Privacy Policy explains what information we collect, how we use it, and your rights in relation to it.

1. Information We Collect

a) Calculator Inputs

All calculations on MathNinja.io are performed entirely within your browser. We do not transmit, store, or process any values you enter into our calculators on our servers. Your inputs remain on your device.

b) Usage Data

Like most websites, our hosting provider and analytics tools may automatically collect standard usage data, including your IP address (anonymised where possible), browser type, operating system, referring URLs, pages visited, and time spent on the Site. This data is used in aggregate to understand how the Site is used and to improve it. We do not use this data to identify you personally.

c) Cookies

MathNinja.io may use essential cookies that are strictly necessary for the Site to function. We may also use analytics cookies (e.g. Google Analytics) to understand aggregate visitor behaviour. You can control or disable cookies through your browser settings at any time.

d) Contact Information

If you contact us by email, we will receive and store your email address and the content of your message. We use this information solely to respond to your enquiry and will not share it with third parties.

2. How We Use Your Information

We use the information described above to:

• Operate, maintain, and improve MathNinja.io;
• Understand how visitors use the Site and which tools are most useful;
• Respond to enquiries you send us;
• Detect and prevent technical issues or abuse.

We do not sell, rent, or trade your personal information to third parties for their marketing purposes.

3. Advertising

MathNinja.io displays advertisements served by Google AdSense, a third-party ad network operated by Google LLC. Google and its partners may use cookies, web beacons, and similar technologies to collect information about your visits to this and other websites in order to provide advertisements about goods and services that may be of interest to you.

Third parties, including Google, use cookies to serve ads based on a user's prior visits to this website or other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visit to MathNinja.io and/or other sites on the internet.

For more information on how Google uses data when you use our site, please visit How Google uses data when you use our partners' sites or apps.

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

4. Third-Party Services

The Site may use third-party services such as analytics platforms and CDN providers. These services have their own privacy policies governing their use of your information. We are not responsible for the privacy practices of these third parties.

5. Data Retention

We retain contact enquiry data only as long as necessary to respond to your message, and do not retain it beyond 12 months unless required by law. Anonymised analytics data may be retained for longer periods for statistical purposes.

6. Children's Privacy

MathNinja.io is intended for general audiences. We do not knowingly collect personal information from children under the age of 13. If you believe a child has provided us with personal information, please contact us and we will promptly delete it.

7. Your Rights

Depending on your location, you may have rights under applicable data protection laws (including GDPR for users in the European Economic Area) to access, correct, delete, or restrict the processing of your personal data, or to object to its processing. To exercise any of these rights, please contact us at the address below.

8. Security

We take reasonable technical and organisational measures to protect the information we hold from unauthorised access, loss, or misuse. However, no method of transmission over the internet is completely secure, and we cannot guarantee absolute security.

9. Changes to This Policy

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

10. Contact Us

For any questions, concerns, or data rights requests, please contact us at:

For more details on how MathNinja.io operates, see our Terms of Service.