Privacy Policy

Data We Collect

Calzy does not collect, store, or transmit any personal data. All calculations are performed locally in your browser using JavaScript. No calculation inputs or results are sent to our servers.

Cookies

We use a single cookie to remember your language preference (English or Korean). This cookie contains no personal information and is stored only on your device.

Analytics

We use Vercel Web Analytics to count page views and see which calculators are most used. It does not use cookies, and it reports only anonymous, aggregated data (page, referring site, country, device type). No personally identifiable information or calculator input is collected.

Advertising

This site displays ads via Google AdSense. Google may use cookies to serve ads based on your prior visits to this and other websites. You can opt out via Google's Ad Settings.