Your privacy matters

Overview

The Cal Hub is a collection of free online calculators. We are committed to protecting your privacy. The short version: we do not collect your personal data, we do not run ads, and all calculations happen entirely inside your browser.

Information we collect

We do not collect, store, or transmit any personal information. Specifically:

• Calculator inputs and results stay in your browser and are never sent to our servers.
• We do not use analytics tools that track individuals (such as Google Analytics).
• We do not run advertising networks or third-party tracking pixels.
• We do not require an account or any form of registration.

Local storage

The only data stored on your device is your dark mode preference, saved in localStorage under the key theme. This value is light or dark. It is never transmitted anywhere.

Cookies

The Cal Hub does not use cookies.

Server logs

Like any website, our hosting provider may record standard server access logs (IP address, browser type, pages visited, timestamps). These logs are used solely for diagnosing technical issues and are not shared with third parties. They are retained for a limited period as set by our hosting provider.

External links

Some pages may link to external websites (for example, banks or government resources). We are not responsible for the privacy practices of those sites and encourage you to review their policies directly.

Children's privacy

The Cal Hub does not knowingly collect any information from children under the age of 13. Since we collect no personal information at all, this applies equally to all visitors.

Changes to this policy

If we make material changes to this policy, we will update the date at the top of this page. Continued use of The Cal Hub after changes are posted constitutes your acceptance of the updated policy.

Contact

If you have questions about this privacy policy, please reach out via our contact page.