~ 14 free tools, no signup required ~

Mr Compound Calculator
Investment Calculator Suite

Compound interest, DCA backtesting, FIRE planning, capital gains tax across 50+ countries, dividend projections, and more — all powered by real market data.

Project and backtest investment returns with real market data

Real Historical Data

5-year CAGR and 10-year monthly prices from Yahoo Finance. Not guesses — actual market data.

Global Tax Rates

Capital gains tax across 50+ countries and US states, by asset type — stocks, crypto, real estate, collectibles.

Dividend & FIRE

Project passive dividend income and calculate your financial independence number with real returns.

Ready to practice trading for real?

Paper trade stocks, crypto, forex, commodities, and indices with $100K virtual cash. Real prices, zero risk.

MrPaperTrade is a paper-trading simulator. Nothing on this site is investment advice or a regulated brokerage service. All balances, positions, and trades are virtual.