Privacy Policy
Last updated April 25, 2026
Summary
Kalkfin is a static finance-calculator site. We don't require you to sign up. The numbers you type into the calculators stay in your browser; we never receive them.
What we collect
- Anonymous, aggregate analytics (pages viewed, country, device class) via privacy-first analytics.
- Server access logs (IP, user agent, request path) for security and debugging.
- Email if you choose to subscribe to our newsletter or email a saved scenario.
What we don't collect
- The numbers you enter into a calculator (these never leave your browser).
- Personally-identifiable cross-site tracking cookies.
Cookies & advertising
We use cookies set by display-ad partners on monetized pages. You can opt out of personalized ads at any time via your browser settings or the partner's opt-out link, which we provide in our cookie banner where required.
Your rights
EU/UK/California residents have rights to access, correct, or delete personal data we hold. Contact hello@kalkfin.com and we'll respond within 30 days.
Contact
Privacy questions: hello@kalkfin.com