Free, privacy-first financial tools powered by real formulas. Everything runs in your browser — no data leaves your device.
Calculate monthly payments, total interest, and view a full amortization schedule with charts
Simulate investment growth with compound interest, recurring contributions, and visual projections
Analyze rental property returns: gross yield, net yield, cap rate, and monthly cash flow
Estimate take-home pay from gross salary using configurable tax brackets and deductions
Every calculator uses exact financial formulas — no approximations, no placeholders.
All calculations run entirely in your browser. Zero data sent to any server.
Download amortization schedules and projections as CSV files for your records.