LEGAL · PRIVACY
Privacy Policy
Last updated: 2026-10-31
What we collect
The calculators need no account and ask for no name, phone number or email.
Server logs may record IP address, browser type and path for security and debugging.
Cookies and ads
These pages do not load third-party ads or tracking scripts today.
If ads are added later, this page will be updated and an opt-out will be provided.
Contact
Email 1223058191@qq.com for privacy questions.