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Budgeting, retirement, and FIRE planning in one tool

planbend is a free, browser-based financial planning tool. Your monthly budget and your retirement projection run on the same engine, so changing what you save today updates when you could realistically stop working, not just whether this month balanced.

It does not require linking a bank account, and you can start without creating one. Your plan lives in your browser until you choose to save it.

What you can model

Budget and cash flow

Track what you spend across every category, with sinking funds for irregular costs, a recurring bills and paycheck calendar, and a forecast that flags the month your balance dips lowest.

Retirement projection

A year-by-year projection to life expectancy using your real accounts, contributions, and growth assumptions, for one person or a two-income household on separate timelines.

Roth conversion modelling

Model a conversion ladder against tax bracket headroom, see the effect on lifetime tax, and watch where conversions push you into an IRMAA tier.

The health insurance gap

If you stop working before 65, model ACA premiums through the gap years before Medicare starts. It is one of the largest variables in early retirement and most tools treat it as a footnote.

College and 529 planning

Project education costs per child and surface the years where enrolment overlaps, which is where the cash flow crunch actually lands.

Withdrawal strategy comparison

Compare withdrawal orders side by side on lifetime tax, IRMAA exposure, and how long the portfolio lasts.

Stress testing

Monte Carlo and historical sequence-of-returns runs, so you can see the range of outcomes rather than a single optimistic line.

Net worth and debt

Accounts, property, vehicles, equity compensation, and liabilities in one place, with a debt payoff planner comparing snowball against avalanche on your real balances.

planbend is a planning tool, not financial advice. Projections are estimates based on the assumptions you enter, and actual outcomes will differ.