All tools
Date & timeDate CalculatorDays From TodayAge CalculatorTime CalculatorHours & Time Card CalculatorHow Long UntilOnline TimerStopwatch
Money & workUS Paycheck CalculatorHourly to SalaryPercentage CalculatorPercent ChangeLoan CalculatorCar Loan CalculatorCompound Interest CalculatorInvestment CalculatorHow Much House Can I Afford?
School & mathGrade CalculatorFinal Grade CalculatorTest Score CalculatorGPA CalculatorFraction CalculatorDecimal to Fraction
Text toolsWord CounterCharacter CounterCase ConverterLorem Ipsum GeneratorOnline NotepadTyping Test
Random pickers & gamesSpin the WheelRandom Name PickerRandom Number GeneratorDice Roller

Free everyday online tools

Quick answers for dates, times, text and random picks — no sign-up, no downloads, works on your phone.

Date & time

Date CalculatorAdd or subtract days, weeks, months and years, or count the days between two dates. Days From TodayWhat date is 30, 60 or 90 days from today — or ago? Age CalculatorYour exact age in years, months and days, plus your next birthday. Time CalculatorAdd and subtract hours and minutes, or find the time between two times. Hours & Time Card CalculatorTotal your weekly work hours with breaks, overtime and pay. How Long UntilLive countdown to any time of day. Online TimerCountdown timer with an alarm and quick presets. StopwatchTime anything to the hundredth of a second, with laps.

Money & work

US Paycheck CalculatorUnited States only: 2026 take-home pay after U.S. federal tax, Social Security, Medicare and state tax. Hourly to SalaryConvert hourly pay to yearly salary, and back again. Percentage CalculatorPercent of a number, what percent, increase and decrease. Percent ChangePercentage increase, decrease and difference between two values. Loan CalculatorMonthly payment, total interest and a payoff table for any fixed-rate loan. Car Loan CalculatorMonthly auto payment with down payment, trade-in and sales tax. Compound Interest CalculatorSee how savings grow with interest and monthly deposits. Investment CalculatorProject your portfolio with monthly contributions and a return rate. How Much House Can I Afford?United States only: home price from your income, debts and down payment.

School & math

Grade CalculatorWeighted class grade with letter grade and GPA points. Final Grade CalculatorWhat you need on the final to get the grade you want. Test Score CalculatorScore percentage and a full grading chart for any test. GPA CalculatorSemester or cumulative GPA on the US 4.0 scale, weighted or not. Fraction CalculatorAdd, subtract, multiply and divide fractions with steps. Decimal to FractionConvert decimals to fractions and fractions to decimals.

Text tools

Word CounterCount words, characters, sentences, reading time and keyword density. Character CounterCharacters with and without spaces, checked against common limits. Case ConverterSwitch text to UPPERCASE, lowercase, Title Case or Sentence case. Lorem Ipsum GeneratorPlaceholder text in paragraphs, sentences or words, ready to copy. Online NotepadA simple notepad that saves automatically in your browser. Typing TestCheck your typing speed in words per minute, with accuracy.

Random pickers & games

Spin the WheelAdd your options and spin to make a random choice. Random Name PickerDraw names fairly, with or without repeats. Random Number GeneratorRandom numbers in any range, with or without duplicates. Dice RollerRoll d4 to d100 dice with modifiers.

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Why use these tools?

Counting days on a calendar is slow and easy to get wrong — months have different lengths, leap years add a day, and it's hard to remember whether to include today. Every tool here does the work instantly in your browser using your own time zone. Nothing you type is sent to a server, and random results use your browser's secure random number generator so they're genuinely fair.