Calculate future investment value with recurring contributions.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Input your initial deposit amount and expected annual interest rate percentage.
Specify investment duration in years and compounding frequency (annual, monthly, daily).
Optionally add recurring monthly deposits and review the interactive growth projection.
Compound interest is the interest calculated on the initial principal plus all accumulated interest from prior periods.
More frequent compounding yields higher total returns over long investment horizons compared to simple annual compounding.
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