A collection of tools to help you make smart money decisions. Free, no sign-up, everything stays in your browser.
Compound growth, fees, and the road to financial independence.
Federal tax tools built on 2026 IRS figures — check current guidance before filing.
What your salary becomes after 2026 federal tax and FICA. Federal only.
See which dollars get taxed at which 2026 federal rate.
Pay tax now or later? Model the trade-off with 2026 rates and break-even points.
What maxing your HSA is really worth under 2026 IRS limits.
When to claim, what you must withdraw, and whether the money lasts.
Homes, cars, and debt — know the true cost before you sign.
Estimate your monthly mortgage payments.
How long until closing costs pay for themselves?
Compare costs of renting vs. buying a home.
Calculate payments for vehicle loans and understand total costs.
Calculate payments for various types of loans and compare scenarios.
See what your balance really costs and how faster payments save thousands.
Safety nets and the essentials every plan needs.
Calculate how much to save for emergencies.
The bigger planners — track, plan, and project across months and years.
The flagship: Monte Carlo simulations, scenario saving, and decumulation.
Snowball vs. avalanche with a live extra-payment explorer.
Monthly budgeting with a 50/30/20 health check and FIRE tie-in.
Track assets and liabilities, then project 30 years out.