Privacy policy

Last updated 04.10.2026

The calculators run entirely in your browser. The figures you type are not sent to us or to anyone else.

What we collect

We do not ask for your name, contact details or any account.
We set no cookies and use no analytics or advertising trackers.
If you switch between the light and dark theme, your choice is saved in your browser's local storage so the site remembers it. It never leaves your device.
Our hosting provider keeps standard server logs (such as IP address, browser and the page requested) for security and to keep the site running.

We link to official orders on government websites. Those sites have their own privacy policies.

If we add analytics or advertising, this page will be updated before they go live, with details of what is collected.