Privacy Policy

Last updated: September 17, 2026

Calculator data

All calculators on this site run entirely in your browser. Numbers, dates, and other values you enter are never sent to our servers or stored by us.

Cookies and advertising

This site may show ads served by Google AdSense and its partners. Google and its partners may use cookies, including the DoubleClick cookie, to serve ads based on your visits to this site and other sites on the internet.

You can opt out of personalized advertising by visiting Google Ads Settings at adssettings.google.com.

Analytics

We may use analytics services to understand aggregate traffic patterns, such as which pages are visited and how often. This data is anonymized and is not used to identify individual visitors.

Theme preference

If you switch between light and dark mode, that choice is stored locally in your browser so the site remembers it on your next visit. It never leaves your device.

Contact

Questions about this policy: info@webgraphix.online.