Professional-grade free online tools. Create invoices, calculate your mortgage, plan your budget, check your BMI, convert units, and more — all from your browser, absolutely free.
Create professional invoices instantly. Add your company info, line items, tax, and download as PDF. No account needed.
★ 865K monthly searchesHow much house can you afford? Enter your income, debt, and down payment to get your max home price with full amortization.
★ 143K+ monthly searchesTrack income vs expenses, visualize spending with interactive charts, check the 50/30/20 rule, and project your savings.
★ 563K monthly searchesCalculate your BMI, BMR, daily calorie needs, and optimal macros (protein, carbs, fat). Includes ideal weight range.
★ 300K+ monthly searchesFive modes: % of a number, percentage change, what % is it, tip calculator, and add/subtract %. Handles everything.
★ 997K monthly searchesConvert length, weight, volume, temperature, area, speed, time, and data storage. 8 categories, 60+ units. Lightning fast.
★ 2M+ combined searchesCalculate your take-home pay after federal, FICA, and state taxes. See hourly, weekly, biweekly, and monthly breakdowns.
★ ~100K monthly searchesProject your portfolio growth with compound interest, visualize your wealth trajectory, and see year-by-year breakdowns.
★ ~80K monthly searchesCompare loan types, see full amortization schedules, and discover how much you can save with a better rate.
★ High CPC finance nicheDays between dates, exact age calculator, add/subtract days, and live countdown timer to any event.
★ ~150K monthly searchesSplit bills, calculate the perfect tip, compare tip percentages, and see exactly what each person pays.
★ Perfect dining companionGenerate strong passwords with customizable options. Check any password's strength with entropy and crack time estimates.
★ ~200K monthly searchesNo database, no server-side processing — pure client-side JS. Results update instantly as you type.
Everything runs in your browser. Nothing is sent to any server. No tracking.
No account creation, no email verification, no login. Just open and use.
Responsive design works on desktop, tablet, and phone. Full functionality everywhere.
Download your invoices and results as professional PDFs with one click.
All calculations use current formulas and standards. Updated regularly.