Free Online Tools
Calculators, converters, text utilities — fast, free, and no sign-up required.
🧮 Calculators
View all →Percentage Calculator
Calculate percentages, percentage increase/decrease, and find what percent one number is of another.
BMI Calculator
Calculate your Body Mass Index (BMI) using metric or imperial units. Includes BMI category and healthy weight range.
Age Calculator
Calculate your exact age in years, months, days, hours, and minutes from your date of birth.
Loan Calculator
Calculate monthly loan payments, total interest, and amortization schedule for any loan.
Tip Calculator
Calculate the tip amount and total bill per person for any restaurant or service.
🔄 Converters
View all →Unit Converter
Convert between all common units — length, weight, volume, area, speed, and more.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin instantly.
Currency Converter
Convert between world currencies with live exchange rates.
Length Converter
Convert between meters, feet, inches, centimeters, miles, kilometers and more.
Weight Converter
Convert between kilograms, pounds, ounces, grams, stones and more.
✍️ Text Tools
View all →Word Counter
Count words, characters, sentences, and paragraphs. Estimate reading time.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case and more.
Lorem Ipsum Generator
Generate lorem ipsum placeholder text for your designs and mockups.
Password Generator
Generate strong, secure random passwords with custom length and character sets.
About Toolbox
Toolbox provides free, easy-to-use online tools for everyday tasks. Whether you need to calculate a percentage, convert units, count words in an essay, or generate a secure password — everything is available in one place, for free, with no account required.
All tools work entirely in your browser. Your data is never sent to any server.