Tools to build wealth

What trovetool is

trovetool is a free collection of finance calculators focused on building wealth. It gathers simulators that chart how money grows — compound interest, FIRE, loans, dividends, backtesting — plus US tax tools like the 401(k) and federal income tax calculators, in one place you can use right away, no sign-up required. The biggest difference is that taxes and inflation aren't an afterthought: the tools show after-tax, real-value outcomes, not just headline returns.

Concretely, the US tax tools apply 2026 IRS figures — 401(k) contribution limits with employer match and catch-up rules, federal tax brackets, the standard deduction, and FICA — while the investment tools model dividend reinvestment month by month. So the figures on screen aren't vague pre-tax projections — they're closer to what you actually keep, after tax and after inflation. You decide based on realistic outcomes rather than optimistic expected returns.

It's simple to use. Pick a tool, enter your starting amount, monthly contribution, expected return, and time horizon, and the chart and table update instantly. Compare scenarios by changing your assumptions, and just share the result page's URL so others can see the exact same result. The values you enter are never stored on a server, and every tool is polished for both Korean and English and for mobile screens (320px).

From a newcomer planning a first savings plan, to an employee maxing out a 401(k) match, to an investor building an ETF dividend portfolio, to anyone checking a FIRE (early retirement) target — the goal is to be a starting point for everyone trying to grow their assets. That said, every calculation is a reference for information only; actual taxes and returns vary by individual circumstances, so confirm important decisions with a tax or financial professional.