Privacy Policy

Last updated: October 6, 2026.

What we collect

The calculators run entirely in your browser. The numbers you enter are not sent to our servers or stored by us. We don't ask for your name, email or any account details.

Hosting and logs

This site is hosted on Cloudflare, which may process standard technical data such as IP address and browser type to deliver the site and protect it from abuse.

Advertising and cookies

We may show ads served by Google and other third-party vendors. These vendors use cookies to serve ads based on your prior visits to this and other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this site and others. You can opt out of personalized advertising in Google Ads Settings or at aboutads.info.

Analytics

We may use privacy-respecting analytics to understand which pages are visited. This data is aggregated and not used to identify you.

External links

Links to other sites, including our toolkit store on Gumroad, are covered by those sites' own privacy policies.