Privacy Policy

Information you enter

Calculator inputs are processed in your browser. The site does not require an account, login, or user profile to use the calculators.

Cookies and analytics

This website may use cookies or privacy-conscious analytics to understand general traffic patterns, popular pages, device types, and technical performance. Analytics should be used in aggregate and not to identify individual visitors.

Advertising and third parties

This website may use Google AdSense or other third-party advertising services. Advertising partners may use cookies or similar technologies to serve, measure, and improve ads.

Google AdSense may use cookies, device information, approximate location signals, or browsing activity according to Google's own policies and user consent requirements. Visitors should review Google's privacy and ad settings if they want to manage personalized advertising.

Contact form

If you contact the site owner by email at jefferysha0627@gmail.com, the information you provide may be used to respond to feedback, corrections, or suggestions.

Changes

This policy may be updated as the website adds analytics, advertising, contact handling, or new site features.