All Tools

Every free tool available on FreeTools, organized by category.

Finance Calculators

Salary CalculatorConvert annual salary to monthly, weekly, daily and hourly pay.Take Home Pay CalculatorEstimate net pay after a custom deduction rate.ROI CalculatorCalculate return on investment as a percentage and profit.Loan CalculatorEstimate monthly payments and total interest on a loan.Compound Interest CalculatorSee how your savings or investments grow over time.Profit Margin CalculatorCalculate gross profit and profit margin percentage.Break Even CalculatorFind out how many units you need to sell to break even.

Business Tools

Profit CalculatorCalculate profit and profit percentage from revenue and costs.Commission CalculatorCalculate sales commission from sale amount and rate.Hourly Rate CalculatorWork out the hourly rate you need to charge as a freelancer.

Marketing Tools

ROAS CalculatorCalculate return on ad spend from spend and revenue.CTR CalculatorCalculate click-through rate from clicks and impressions.CPC CalculatorCalculate cost per click from spend and total clicks.CPM CalculatorCalculate cost per 1,000 impressions.Conversion Rate CalculatorCalculate conversion rate from visitors and conversions.CAC CalculatorCalculate customer acquisition cost from spend and new customers.Customer Lifetime Value CalculatorEstimate the total value a customer generates over time.UTM BuilderBuild UTM-tagged campaign URLs for accurate tracking.

Everyday Calculators

Percentage CalculatorSolve any percentage calculation: of, is-what-percent, change.Markup CalculatorCalculate selling price and margin from cost and markup %.Discount CalculatorCalculate the final price after a percentage discount.Age CalculatorCalculate exact age in years, months and days.Date CalculatorFind the difference between two dates or add/subtract days.Time CalculatorAdd or subtract hours, minutes and seconds.

Text & Productivity

Word CounterCount words, characters, sentences and reading time.JSON FormatterFormat, minify and validate JSON instantly.

Generators

Invoice GeneratorCreate and print a professional invoice in minutes.Quote GeneratorCreate a professional price quote or estimate.Receipt GeneratorCreate a simple printable payment receipt.QR Code GeneratorGenerate a QR code for a URL, text, email, phone or WiFi.