Directory / Use cases

Browse tools by use case

Do not browse 60 tools. Start from your situation and get the short list that actually matters, with the math explained in plain English.

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Free tools for freelancersQuotes, invoices, quarterly taxes, and retirement math for the self-employed. Free tools for small business ownersLLC costs, project margins, and cash flow math for running the shop. Free tools for retireesPension buyouts, RMDs, IRMAA surcharges, and drug prices in retirement. Free tools for homeownersMortgage recasts, escrow fixes, tax appeals, and home cost math. Free tools for homebuyersVA loan fees, mortgage comparisons, and neighborhood research before you buy. Free tools for rentersKnow your rights, win your deposit back, and research your next move. Free tools for landlordsEviction rules, court limits, and property tax savings for landlords. Free tools for job seekersSalary data, offer comparisons, and career-change math for the job hunt. Free tools for college studentsStretch the budget: service-job pay, cheap cooking, and cheaper travel. Free tools for new parentsChildcare tax savings, family food budgets, and benefits for new parents. Free tools for veteransVA loan math, move payouts, and career training for those who served. Free tools for military familiesPCS move math, VA loans, and budget living for military families. Free tools for nursesShift differentials, travel nurse contracts, and pay comparisons for nurses. Free tools for travelersRoaming math, free campsites, per diems, and trip timing for travelers. Free tools for developersThe utilities developers actually reach for: CSS, regex, JSON, and URLs. Free tools for marketersCampaign tracking, global timing, and freelance math for marketers. Free tools for teachersSalary research, tutoring taxes, and paycheck rights for educators. Free tools for seniorsMedicare surcharges, prescription prices, and pension decisions for seniors. Free tools for backyard farmersEgg economics, compost ratios, and heating math for the backyard homestead. Free tools for food service workersTip math, wage floors, and paycheck rights for restaurant and bar workers. Free tools for road trippersFree campsites, camp cooking, and timing for the open road. Free tools for wedding planningBudgets, catering math, and vendor protection for wedding planning. Free tools for real estate investorsEntity costs, tax appeals, and landlord law for property investors.

By topic

Free tax toolsEveryday tax math: estimates, deductions, brackets, and Medicare surcharges. Free retirement toolsThe big retirement decisions: pensions, withdrawals, and Medicare costs. Free mortgage toolsEvery mortgage decision that matters, with the math to get it right. Free legal reference toolsKnow the rules before you need them: courts, evictions, and paycheck law. Free tools for movingMove math: payouts, neighborhood research, and your rights in transit.