#Cookies and tracking
We do not use advertising cookies, analytics trackers or third-party scripts. If you switch between light and dark mode, your choice is stored in your own browser (local storage) and never sent to us.
#Hosting
The site is hosted on Cloudflare Pages. Like any web host, Cloudflare processes technical data such as IP addresses to deliver pages and protect the site against abuse, under its own privacy policy.
#The contact form
If you send a message, we store what you type (your message, the topic, the page address and, if you give them, your name and email) in a database used only to read and answer messages. We do not sell or share it. Ask us through the same form to delete your message.
#Calculators and search
Calculators run entirely in your browser; the numbers you type are not sent anywhere. Search uses an index downloaded to your browser.