Free tools for everyday life
Fast, private calculators and generators that run entirely in your browser. No sign-up, no data collected.
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Date & Time
Date differences, ages, countdowns and time-zone tools.
๐Holidays
Public holidays by country, for any year.
๐ขEveryday Math
Percentages, averages, tips and quick everyday calculations.
๐Unit Converters
Convert length, weight, volume and temperature instantly.
๐ฐFinance
Loans, compound interest and currency conversion.
โค๏ธHealth
BMI and other everyday health calculators (informational only).
๐Home & Cooking
Cooking measurements and paint quantity calculators.
๐จColor & Design
Color conversion and palette generators.
๐Text Tools
Count, convert and clean up text.
๐ฒRandom Generators
Numbers, dice and other random pickers.
Popular tools
๐ Date Difference CalculatorFind out exactly how many days, weeks, months and years there are between two dates.๐ Age CalculatorFind your exact age in years, months and days โ plus total days lived and days to your next birthday.๐ Percentage CalculatorThree calculators in one: find a percentage, work out what % a number is, or apply an increase or decrease.๐งพ Tip CalculatorWork out the tip, the total bill, and how much each person owes.๐ Unit ConverterConvert length, weight, volume and temperature between metric and imperial units.โ๏ธ BMI CalculatorCalculate your Body Mass Index and see which WHO category it falls into.โ๏ธ Word CounterCount words, characters, sentences and paragraphs, with reading and speaking time estimates.๐ข Random Number GeneratorGenerate random numbers between any minimum and maximum, one at a time or in a batch.๐ฒ Dice RollerRoll any number of dice, with 4, 6, 8, 10, 12, 20 or 100 sides.๐ฆ Loan CalculatorWork out the monthly payment, total paid and total interest for a loan or mortgage.๐ Compound Interest CalculatorCalculate how an initial amount plus monthly contributions grows over time with compound interest.๐ฑ Currency ConverterConvert between major currencies using live daily exchange rates from the European Central Bank.๐ Public HolidaysSee the official public holidays for a country in any year, fetched live and always current.๐ฅ Cooking Measurement ConverterConvert between teaspoons, tablespoons, cups, fluid ounces and milliliters.๐๏ธ Paint CalculatorWork out how many liters of paint you need, based on area, coats and coverage rate.๐จ Color ConverterPick a color and get its HEX, RGB and HSL values instantly.๐ Color Palette GeneratorPick a base color and instantly get complementary, analogous, triadic and shade palettes.๐ค Text Case ConverterConvert text between uppercase, lowercase, title case, camelCase, snake_case and more.๐ณ QR Code GeneratorTurn any text or link into a QR code you can download as a PNG.๐ Time Zone ConverterConvert a time between two time zones โ daylight saving is handled automatically.๐ต Salary CalculatorConvert between hourly, daily, weekly, monthly and annual pay.๐ท๏ธ VAT / Sales Tax CalculatorAdd or remove tax at any rate โ enter your own local percentage.๐ช Coin FlipFlip a virtual coin โ heads or tails, decided instantly.๐ฏ Random PickerPaste a list, one item per line, and pick one at random.๐๏ธ Roman Numeral ConverterConvert between numbers and Roman numerals, both ways.๐งฎ Number Base ConverterConvert a number between binary, octal, decimal and hexadecimal.๐
Sunrise & Sunset CalculatorSee sunrise, sunset, day length and the moon phase for any city and date.๐คฐ Pregnancy Due Date CalculatorEstimate your due date and how many weeks pregnant you are today.๐ด Sleep Cycle CalculatorFind the best time to go to sleep or wake up, based on 90-minute sleep cycles.