Privacy Policy
Effective date: May 4, 2026
1. Overview
CalcHub ("we", "us", "our") is committed to protecting your privacy. This policy explains what information we collect, how we use it, and your rights regarding it. By using CalcHub, you agree to this policy.
2. Information we collect
Calculator inputs: All calculations are performed entirely in your browser. The numbers you enter are never transmitted to our servers and are not stored anywhere.
Analytics: We use Vercel Analytics and Google Analytics (GA4) to collect anonymous, aggregated usage data (e.g., page views, country, device type). Google Analytics uses cookies to distinguish users and may associate data with a persistent identifier. This data is used solely to understand usage patterns and improve the Service.
Contact form: If you contact us, we collect only the name, email address, and message content you voluntarily provide, solely to respond to your inquiry.
3. Cookies
CalcHub does not use advertising or remarketing cookies. Vercel Analytics is cookieless. Google Analytics (GA4) sets cookies (e.g., _ga, _ga_*) to measure usage patterns. You can opt out of Google Analytics tracking via the Google Analytics opt-out browser add-on.
4. Third-party services
We use Vercelto host and serve CalcHub. Vercel may collect standard server logs (IP address, user agent) as part of normal web hosting operations. Please refer to Vercel's privacy policy for more details.
We use Google Analytics (GA4)for usage analytics. Google may process data on its servers globally. Please refer to Google's privacy policy for details on how Google handles analytics data.
5. Children's privacy
CalcHub is not directed at children under 13. We do not knowingly collect personal information from children.
6. Changes to this policy
We may update this policy from time to time. Changes will be reflected by updating the effective date at the top of this page.
As our product evolves, service features, access requirements, and pricing model may also change. Any material privacy-impacting updates will be reflected in this policy.
We currently do not require account creation, but this may change in the future. To support free access, we may display advertisements now or in the future.
7. Contact
If you have questions about this policy, please contact us.