Privacy policy
Last updated: November 6, 2026.
What we collect
This site has no accounts or forms. Our calculators run in your browser and send nothing to us. If you email us, we use your message only to reply.
Affiliate links
When you click an affiliate link, the partner or its affiliate network may use cookies or similar technology to record the referral. Their privacy policies apply on their sites.
Hosting logs
Our hosting provider may keep standard server logs, such as IP address and browser type, for security and operation.