Privacy
Last updated October 23, 2026.
Calculators on this site
The numbers you type into the calculators are processed in your browser only. They are not sent to us or anyone else, and they are not stored.
Visit counts
We use Cloudflare Web Analytics to count page visits. It does not use cookies or track you across sites. It records basic, aggregated information such as the page visited, referring site, country and browser type.
Purchases and free downloads
Checkout is handled by Polar (polar.sh), which acts as merchant of record and processes your payment details and email address under its own privacy policy. We receive your email address and order details so we can deliver files and send tool updates. We never sell or share your email address. You can unsubscribe from any email at any time.
Contact
Questions: lumineus13@gmail.com