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All 61 free online tools

The complete directory, grouped by category. Every tool runs entirely in your browser — nothing to install, no account to create, and nothing you type is ever uploaded.

Calculators 14 tools

Free online calculators — tip, age, percentage, GPA, salary, discount, ROI & more. Fast, accurate, no signup required. 14 calculators.

Tip Calculator

Calculate tip amount and split the bill by number of people

Age Calculator

Your exact age in years, months and days from any birthdate

Percentage Calculator

Find percentages, X% of Y, and percent increase or decrease

Discount Calculator

Find the final price after any percentage discount

GPA Calculator

Calculate weighted GPA from letter grades and credit hours

Grade Calculator

Find the exam grade you need to reach your target final grade

Hours & Minutes Calculator

Add and subtract hours and minutes for any time period

Fuel Cost Calculator

Estimate road trip gas cost from distance, MPG and fuel price

Work Hours Calculator

Total weekly hours worked per day with optional overtime pay

Split Bill Calculator

Divide any bill and tip equally or unequally among friends

Salary Calculator

Convert between hourly, daily, weekly, monthly and annual pay

Inflation Calculator

Find how purchasing power has changed using historical CPI data

Fraction Calculator

Add, subtract, multiply and divide any two fractions instantly

ROI Calculator

Calculate return on investment as a clear annualized percentage

Converters 11 tools

Free unit converters online — temperature, length, weight, volume, speed, area, shoe & clothing sizes. Instant results, no signup needed.

Temperature Converter

Celsius, Fahrenheit and Kelvin — convert any value instantly

Length Converter

Inches, cm, feet, meters, miles, yards and nautical miles

Weight Converter

kg, lbs, oz, stone, grams — every weight conversion in one place

Volume Converter

Liters, gallons, ml, fluid oz, cups, pints and quarts

Cooking Measurements

Cups to tablespoons, grams to cups, ml to teaspoons and more

Roman Numeral Converter

Convert any number to Roman numerals and decode them back

Binary / Hex / Decimal

Convert between binary, hexadecimal and decimal number bases

Shoe Size Converter

US, EU, UK and CM shoe sizes for men and women side by side

Clothing Size Converter

US, EU and UK clothing sizes for tops, bottoms and dresses

Speed Converter

mph, km/h, knots, meters per second and Mach number

Area Converter

Square feet, meters, acres, hectares, sq miles and more

Time & Date 8 tools

Free time & date tools — countdown timer, online stopwatch, days between dates, time zone converter, world clock & more. No signup required.

Countdown Timer

Count down to any future date or event with a live display

Online Stopwatch

Precise stopwatch with milliseconds and lap timing in browser

Days Between Dates

Calculate exact days, weeks, months between any two dates

What Day Was I Born?

Find the exact day of the week for any date in history

Unix Timestamp Converter

Convert epoch timestamps to readable dates and back instantly

Time Zone Converter

Convert times between any two IANA time zones instantly

World Clock

Current local time in 20 major cities updating every second

Time Difference Calculator

Hours and minutes between any two clock times, with pay calc

Generators 9 tools

Free online generators — secure password generator, QR code generator, business name ideas, random name, color palette & more. No signup.

Password Generator

Cryptographically secure passwords with entropy strength meter

Username Generator

Creative unique usernames for gaming, social and professional

Random Name Generator

First and last names by nationality and gender, 10 at a time

Business Name Generator

Creative business name ideas by industry and style

QR Code Generator

QR codes for URLs, text, WiFi and email — download as PNG

Lorem Ipsum Generator

Placeholder words, sentences or paragraphs for any design

Fake Address Generator

Random US and international addresses for testing and forms

Color Palette Generator

Beautiful 5-color palettes — complementary, triadic, analogous

Lottery Number Generator

Random numbers for Powerball, Mega Millions and more

Text Tools 9 tools

Free text tools online — word counter, character counter, text case converter, text to speech, morse code, URL slug generator & more.

Word Counter

Words, characters, sentences, paragraphs and reading time

Character Counter

Character count with Twitter, LinkedIn and SMS platform limits

Text Case Converter

UPPER, lower, Title, camelCase, snake_case and 6 more formats

Readability Checker

Flesch-Kincaid reading ease and grade level for any text

Text to Speech

Hear any text read aloud with voice, speed and pitch controls

Morse Code Translator

Translate text to Morse code with live audio playback

Backwards Text Generator

Reverse characters, words, lines or flip text upside down

URL Slug Generator

Convert any text to a clean, SEO-friendly URL slug

Remove Duplicate Lines

Remove duplicate entries from any list or block of text

Random & Fun 10 tools

Free random & fun tools — flip a coin, roll dice, spin wheel of names, magic 8-ball, truth or dare, rock paper scissors & more. No download.

Flip a Coin

Virtual coin flip — heads or tails with full flip history

Dice Roller

Roll D4, D6, D8, D10, D12 and D20 — any number of dice

Random Number Generator

Pick random numbers in any range with no repeats option

Wheel of Names Spinner

Spin the wheel to pick a random winner from your list

Rock Paper Scissors

Play best-of-three rock paper scissors against the computer

Would You Rather

200+ hilarious and thought-provoking dilemmas for any group

Truth or Dare Generator

Truth questions and dares by intensity for any group or party

This or That Generator

200+ fun either-or choices to spark debates in any group

Magic 8-Ball

Ask the magic 8-ball any yes or no question and get an answer

Fortune Cookie Generator

Crack open a fortune cookie for random wisdom and lucky numbers