Free online tools
A set of practical calculators and utilities that run right in your browser โ no sign-up, no data uploaded.
Loan & Monthly Payment Calculator
Estimate your monthly payment and total interest on any loan.
Open tool โTip & Bill Split Calculator
Calculate tip amount, total bill, and split the cost evenly among your group.
Open tool โTip Calculator & Bill Splitter
Calculate tip amounts and split the total bill evenly among multiple people.
Open tool โUS Paycheck & Take-Home Pay Calculator
Estimate your take-home pay after federal tax, Social Security, and Medicare.
Open tool โPercentage Calculator
Work out percentages, increases, decreases, and ratios instantly.
Open tool โAge Calculator
Find your exact age in years, months, and days.
Open tool โBMI Calculator
Check your Body Mass Index and weight category.
Open tool โDaily Calorie (TDEE) Calculator
Estimate the calories you burn per day based on activity.
Open tool โUnit Converter
Convert length, weight, and temperature in a click.
Open tool โWord & Character Counter
Count words, characters, sentences, and reading time instantly.
Open tool โStrong Password Generator
Create strong, random, secure passwords in one click.
Open tool โDate Difference Calculator
Count the days, weeks, and months between two dates.
Open tool โDiscount & Sale Price Calculator
Find the final price after a discount and how much you save.
Open tool โCompound Interest & Savings Calculator
See how your savings grow with compound interest over time.
Open tool โSales Tax Calculator
Calculate sales tax and the final checkout total in seconds.
Open tool โHourly Wage to Salary Calculator
Convert an hourly wage into weekly, monthly, and annual pay.
Open tool โMortgage Affordability Calculator
Estimate an affordable home price from income, debt, and loan terms.
Open tool โDebt Payoff Calculator
Estimate how long a balance will take to repay and the interest cost.
Open tool โGPA Calculator
Calculate a weighted GPA from course grades and credit hours.
Open tool โFuel & Trip Cost Calculator
Estimate gallons, fuel cost, and cost per mile for a road trip.
Open tool โTime Zone Converter (UTC Offset)
Convert a date and time between common UTC offsets.
Open tool โBusiness Days Calculator
Count weekdays between two dates and exclude weekends.
Open tool โReading Time & Keyword Density Checker
Measure reading time, words, sentences, and frequent keywords.
Open tool โText Case Converter
Convert text to uppercase, lowercase, title case, or sentence case.
Open tool โRent Affordability Calculator
Estimate a monthly rent budget from gross income and a target percentage.
Open tool โSavings Goal Timeline Calculator
Estimate how long monthly saving could take to reach a financial goal.
Open tool โReturn on Investment (ROI) Calculator
Calculate net profit and ROI from investment cost, value, income, and fees.
Open tool โProfit Margin & Markup Calculator
Compare gross profit, margin, and markup for a product or service.
Open tool โBreak-Even Point Calculator
Find the unit sales and revenue needed to cover fixed and variable costs.
Open tool โInvestment Fee Impact Calculator
Compare projected investment growth before and after an annual fee.
Open tool โFreelance Hourly Rate Calculator
Estimate a billable hourly rate from income goals, expenses, and available hours.
Open tool โInflation Purchasing Power Calculator
Estimate future prices and the purchasing power of money after inflation.
Open tool โFraction Calculator
Add, subtract, multiply, or divide two fractions and simplify the result.
Open tool โAverage, Median & Mode Calculator
Analyze a number list and calculate mean, median, mode, range, and sum.
Open tool โStandard Deviation Calculator
Calculate population or sample standard deviation and variance.
Open tool โRatio & Proportion Calculator
Simplify a ratio and solve a proportional equation for an unknown value.
Open tool โCountdown Calculator
Count the days, hours, minutes, and seconds until a future date and time.
Open tool โAdd or Subtract Days Calculator
Move a calendar date forward or backward by any number of days.
Open tool โWork Hours & Timesheet Calculator
Calculate paid daily and weekly hours after an unpaid break.
Open tool โUnix Timestamp Converter
Convert Unix seconds or milliseconds into readable UTC and local dates.
Open tool โJSON Formatter & Validator
Validate, pretty-print, or minify JSON directly in your browser.
Open tool โURL Encoder & Decoder
Encode text for a URL component or decode percent-encoded text.
Open tool โBase64 Encoder & Decoder
Encode Unicode text to Base64 or decode Base64 back to readable text.
Open tool โSEO Slug Generator
Turn a title into a clean lowercase URL slug.
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