30+ free tools, no sign-up required

Free Online Tools for Business, Marketing & Everyday Tasks

Fast, simple and free tools to calculate, generate and optimize. No account, no downloads — just open a tool and use it.

Popular Tools

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.ROAS CalculatorCalculate return on ad spend from spend and revenue.CTR CalculatorCalculate click-through rate from clicks and impressions.Conversion Rate CalculatorCalculate conversion rate from visitors and conversions.CAC CalculatorCalculate customer acquisition cost from spend and new customers.UTM BuilderBuild UTM-tagged campaign URLs for accurate tracking.

ADVERTISEMENT

Finance Calculators

Salary, loan, investment and profit calculators to help you understand your numbers.

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.

Business Tools

Pricing, commission and rate calculators for running a small business.

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

Ad metrics, campaign tracking and growth calculators for marketers.

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.

Everyday Calculators

Quick calculators for percentages, dates, ages and other everyday math.

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

Utilities for working with text and structured data faster.

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

Generators

Create invoices, quotes, receipts and QR codes in seconds.

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.

Why use our tools?

Fast

Instant results as you type — no waiting, no loading spinners.

Free

Every tool is completely free to use, with no hidden limits.

No Registration

Start using any tool immediately. No account or email required.

Privacy-Friendly

Most calculations run entirely in your browser — your data stays with you.