Finance & Business
22 toolsAmortization Calculator — Free Loan Schedule Tool
Free amortization calculator with full payment schedule, principal vs interest chart, and CSV export. Calculate monthly payments for any loan — 100% client-side. 100% serverless.
Bill Splitter — Free Tip & Tax Calculator
Free bill splitter calculator. Split restaurant bills with tip presets, tax, and per-person breakdown. 100% client-side. 100% serverless.
Break-Even Calculator — Free Business Analysis Tool
Free break-even calculator with contribution margin analysis and profit/loss checker. Find how many units you need to sell — 100% client-side. 100% serverless.
Compound Interest Calculator — Free Investment Growth Tool
Free compound interest calculator with monthly contributions, chart, and year-by-year breakdown. 5 compounding frequencies. 100% client-side. 100% serverless.
Currency Exchange Calculator — Free Converter Tool
Free currency exchange calculator with 16+ currencies, fee calculation, and swap. Convert between USD, EUR, GBP, JPY, and more — 100% client-side. 100% serverless.
Depreciation Calculator — Free Asset Depreciation Tool
Free, private, serverless depreciation calculator supporting Straight-Line, Declining Balance, Sum-of-Years-Digits, and MACRS methods. Generate full depreciation schedules with charts and CSV export — 100% client-side.
Discount Calculator
Free, private, serverless discount calculator. Calculate sale prices with any discount percentage. Supports multiple currencies (USD, EUR, GBP, JPY, INR, AED, SAR). Bulk discount comparison table to see savings at different percentages. No data leaves your browser — 100% client-side.
Electricity Cost Calculator — Free kWh Energy Bill Tool
Free electricity cost calculator. Add devices with wattage and usage hours to estimate daily, monthly, yearly costs and CO₂ emissions. 100% client-side. 100% serverless.
Fuel Cost Calculator — Free Trip Gas Cost Estimator
Free fuel cost calculator. Estimate gas cost for any trip with distance, consumption rate, fuel price. Supports km/miles. 100% client-side. 100% serverless.
Inflation Calculator — Free Purchasing Power Tool
Free inflation calculator showing how purchasing power changes over time. Compare values across years with customizable inflation rate — 100% client-side. 100% serverless.
Invoice Generator
Free, private, serverless invoice generator. Create professional PDF invoices instantly from your browser with customizable templates, company branding, and automatic calculations. Import CSV or Excel files to bulk-generate invoices as a single merged PDF or separate files in a ZIP archive. Save and export your company settings to avoid re-entering information. Supports logo upload, multiple tax rates, discounts, and notes. No data leaves your browser — 100% client-side invoice creation.
Loan/EMI Calculator
Free, private, serverless loan and EMI calculator. Calculate monthly payments, total interest, and total payment for any loan. Visual principal vs interest chart. Full amortization schedule with monthly breakdown. Supports multiple currencies (USD, EUR, GBP, JPY, INR, AED). No data leaves your browser — 100% client-side.
Markup Calculator — Free Markup & Margin Tool
Free markup and margin calculator. Convert cost to price, calculate profit margins, and compare markup vs margin — 100% client-side. 100% serverless.
Mortgage Calculator — Free Home Loan Payment Tool
Free mortgage calculator with amortization schedule, property tax, insurance. Calculate monthly payments — 100% client-side. 100% serverless.
Paint Calculator — Free Wall Area & Gallons Estimator
Free paint calculator. Add rooms with dimensions, doors, windows to estimate wall area, gallons needed, and cost. 100% client-side. 100% serverless.
Profit Margin Calculator — Revenue & Markup
Free profit margin calculator. Calculate gross profit, margin %, markup %, net profit from cost, price, quantity, and expenses — 100% client-side. 100% serverless.
ROI Calculator — Return on Investment
Free ROI calculator. Calculate return on investment, annualized ROI, and profit/loss from investment and return amounts — 100% client-side. 100% serverless.
Retirement Calculator — Free Savings Projector
Free retirement calculator with savings projection, 4% rule income, inflation adjustment, and growth chart. Plan your 401k/IRA — 100% client-side. 100% serverless.
Salary Calculator — Free Paycheck Estimator
Free salary calculator with tax breakdown, gross-to-net conversion, and multiple pay frequencies. Estimate your take-home pay — 100% client-side. 100% serverless.
Savings Goal Calculator — Free Monthly Savings Planner
Free savings goal calculator. Find how long to reach your savings target with monthly contributions and interest. 100% client-side. 100% serverless.
Tax Calculator — Free Income Tax Estimator
Free federal income tax calculator with 2024 US brackets, bracket breakdown, and filing status options. Estimate your tax liability — 100% client-side. 100% serverless.
Tip Calculator — Bill Splitter
Free tip calculator. Calculate tip amount, total, and per-person split. Quick presets for 10-25%, slider control — 100% client-side. 100% serverless.
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