Calculator Utilities
Math and conversion tools. Convert units, calculate percentages, generate passwords — all 100% private, running directly in your browser.
Age Calculator
Calculate exact age from birthdate
Base Converter
Convert between binary, decimal, hex, and octal
BMI Calculator
Calculate Body Mass Index from height and weight
Credit Card Validator
Validate credit card numbers using Luhn algorithm
Date Difference Calculator
Calculate days between two dates
Discount Calculator
Calculate discounted prices and savings
Fraction Calculator
Perform arithmetic operations with fractions
Hash Generator
Generate various hash functions from text
Loan Calculator
Calculate loan payments and interest
Percentage Calculator
Calculate percentages, increases, and decreases easily
Password Generator
Generate secure random passwords with custom options
Quadratic Equation Solver
Solve quadratic equations and find roots
Random Number Generator
Generate random numbers in a range
Text Diff
Compare two texts and see differences highlighted
Time Zone Converter
Convert times between different zones
Tip Calculator
Calculate tips and split bills
Unit Converter
Convert length, weight, temperature, and data storage units