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Converter
20 tools View all
Kilograms to Pounds
Convert kilograms to pounds (kg to lbs) instantly
Celsius to Fahrenheit
Quickly convert Celsius to Fahrenheit (°C to °F)
Centimeters to Feet & Inches
Convert centimeters to feet and inches instantly
Miles to Kilometers
Convert miles to kilometers (mi to km) instantly
Inches to Centimeters
Convert inches to centimeters (in to cm) instantly
Currency Converter
Convert 150+ currencies with live exchange rates.
Timezone Converter
Convert time between any two world timezones instantly.
Liters to Gallons
Convert liters to gallons (L to gal) instantly
Color Code Converter
Free color code converter — convert between HEX, RGB, HSL, and HSV instantly with live color preview
Roman Numerals
Convert integers to Roman numerals (1-3999) and vice versa instantly
Cups to Milliliters
Convert US cups to milliliters (cups to ml) instantly
Fluid Ounces to Milliliters
Convert fluid ounces to milliliters (fl oz to ml) instantly
Feet to Meters
Convert feet to meters (ft to m) instantly
File Size Converter
Convert KB, MB, GB, TB — SI and binary units instantly
Calculator
16 tools View all
BMI Calculator
Calculate Body Mass Index (BMI) from height and weight
Loan Calculator
Calculate monthly loan payment, total interest, and full amortization schedule.
Percentage Calculator
Three percentage calculators in one instant tool.
Tip Calculator
Calculate tip amount, total bill, and split evenly among your group instantly
Mortgage Calculator
Calculate monthly PITI payment with amortization schedule.
Age Calculator
Exact age in years, months, days, and more.
Calorie Calculator
Calculate daily calorie needs by age, weight, and activity level.
Discount Calculator
Find sale price and savings from any discount percentage.
Pregnancy Due Date Calculator
Estimated due date from last menstrual period or conception date
Ovulation Calculator
Find your fertile window and ovulation date instantly.
Body Fat Percentage Calculator
Estimate body fat percentage using the US Navy method from neck, waist, and hip measurements
Compound Interest Calculator
Calculate investment growth with compound interest over time.
Date Difference Calculator
Days, weeks, months, and years between two dates.
Retirement Savings Calculator
Project your nest egg and monthly retirement income.
GPA Calculator
Calculate GPA from course grades and credit hours
Grade Calculator
Calculate final course grade from weighted assignments and exams.
Text tools
18 tools View all
Word Counter & Statistics
Count words, characters, sentences, and paragraphs instantly
Character Counter
Free online character counter
Password Generator
Generate strong, random passwords with custom length and character sets
JSON Formatter & Validator
Format, validate, and minify JSON instantly
Lorem Ipsum Generator
Generate professional Lorem Ipsum placeholder text for web design, UI/UX mockups, and print layouts
Case Converter & Formatter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more
URL Encoder & Decoder
Encode and decode URLs online
Base64 Encoder & Decoder
Encode plain text to Base64 or decode Base64 strings instantly
HTML Entity Encoder & Decoder
Encode or decode HTML entities instantly
Text Diff Checker
Compare two texts and highlight additions, deletions, and changes.
Markdown to HTML Converter
Convert Markdown syntax to clean HTML instantly.
Regex Tester
Test and debug regular expressions with live match highlighting.