Finance tools

Eight tools for personal and startup finance — your numbers never leave your browser.

Income, spend, and cap table data stay private — only currency rates use a network request
CompoundCalc
Compound interest with monthly contributions.
BudgetPlanner
50/30/20 budget split with a donut chart.
MortgageCalc
EMI, amortisation schedule, overpayment savings.
InvestmentTracker
Portfolio holdings, returns, and allocation.
TaxEstimate
Income tax for India, US or UK.
CurrencyConvert
170+ currencies — rates cached daily.
EquityCalc
Cap table dilution across funding rounds.
NetWorthTracker
Assets minus liabilities, tracked monthly.
LoanCalc
EMI, amortisation, and part-payment impact.
RetireCalc
Corpus needed vs on track — and the gap.
InflationCalc
What inflation does to your money over time.