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“Compound interest is the eighth wonder of the world.” — Albert Einstein

Legal

Privacy Policy

Client-Side Data Handling

This calculator stores your configuration inputs, such as investment amounts and growth rates, in your browser's local storage (localStorage). This allows your settings to persist when you refresh or return to the page. All calculations are performed entirely within your browser. No portfolio data is transmitted to or stored on our servers.

Zero Server Harvesting

We do not collect, harvest, or sell your personal financial data. The figures you enter never leave your device. Shareable projection links encode your parameters in the URL query string, and sharing that link is entirely your choice.

Google AdSense and Cookies

We use third-party advertising companies (including Google) to serve ads when you visit our website. These companies may use information about your visits to this and other websites in order to provide advertisements about goods and services of interest to you. Google's use of advertising cookies enables it and its partners to serve ads based on your visit to our sites and/or other sites on the Internet.

This site may display advertisements served by Google AdSense. You may opt out of personalized advertising by visiting Google's Ads Settings page. Third-party vendors, including Google, use cookies to serve ads based on a user's previous visits to this or other websites. Standard cookie declarations apply, and the ad slots on this page are given fixed dimensions to prevent layout shift.

Contact

For any privacy questions, please contact us through our Contact Us page. This policy may be updated periodically; continued use of the calculator constitutes acceptance of the current policy.

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