Launching today

DuckDollar
Free Personal Finance Calculators
13 followers
Free Personal Finance Calculators
13 followers
DuckDollar is a free collection of personal finance tools that do the math most sites hide behind a paywall. Estimate your taxes, plan your FIRE number, track your net worth, or compare renting against buying, all in the browser with no account and no upsell. Open a tool and get your answer.






A simple way to export results as a CSV or PDF would make this so much more useful, especially for the tax estimator when I want to hand numbers to my accountant or keep records for my own files.
@nehirnpjk will consider that on the following updates thanks!
Love that everything works without an account. One thing that would make the FIRE calculator way more useful for me is a "what if I work part-time for a few years" scenario slider, so I can see how dialing back hours or taking a sabbatical shifts my timeline instead of only modeling a straight line to retirement.
ran the rent vs buy calculator with my actual numbers and it spat out a clear break-even point in like ten seconds, no sign-up wall. appreciate that the tax estimator is honest about what it can't handle for edge cases.
Love that you can actually use every tool without signing up or hitting a paywall midway through a calculation. The net worth tracker especially feels clean and considered, not like another bloated spreadsheet clone.
love that everything runs client-side with zero sign-in, makes it genuinely painless to pop in, grab a number, and get back to life without handing over an email or staring at a pricing page.