Privacy Policy

Last updated: March 2026

Overview

HabitCalculator ("we", "us", "our") respects your privacy. This policy describes how we collect, use, and protect information when you use our website at habitcalculator.com.

Information We Collect

We collect minimal information to provide and improve our service:

• Usage Analytics: We use Google Analytics 4 to collect anonymous usage data such as pages visited, time on site, browser type, device type, and approximate geographic location. This data is aggregated and cannot identify individual users.
• Local Storage: We store your currency preference and cached exchange rates in your browser's localStorage. This data stays on your device and is never sent to our servers.
• Calculator Inputs: All calculator inputs (amounts, frequencies, etc.) are processed entirely in your browser. We never collect, store, or transmit your financial data.

Cookies

We use cookies through Google Analytics to understand website traffic patterns. These are third-party analytics cookies. You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.

Third-Party Services

• Google Analytics: For website analytics. Google's Privacy Policy
• Exchange Rate API: We fetch currency exchange rates from exchangerate-api.com. No personal data is shared with this service.
• Google Fonts: We load fonts from Google Fonts. Google's Privacy Policy

Advertising

We may display advertisements through Google AdSense or similar advertising networks. These services may use cookies to serve ads based on your prior visits to this or other websites. You can opt out of personalized advertising by visiting Google Ads Settings.

Data Security

All calculations are performed locally in your browser. We do not operate a backend server or database that stores user data. Your financial information never leaves your device.

Children's Privacy

Our service is not directed to children under 13. We do not knowingly collect information from children under 13.

Changes to This Policy

We may update this privacy policy from time to time. We will post any changes on this page with an updated revision date.

Contact

If you have questions about this privacy policy, please contact us through our GitHub repository.