Calculators & Generators
Percentages, dates, loans, passwords — instant answers with the working shown.
Password Generator
Create strong random passwords and memorable passphrases — generated locally, never sent anywhere.
Percentage Calculator
Every percentage problem solved live — with the working shown, not just the answer.
Age Calculator
Your exact age in years, months, and days — plus a countdown to your next birthday.
Date Calculator
Days between two dates — or add and subtract time from any date, calendar-accurately.
BMI Calculator
Body mass index with WHO categories and your healthy weight range — metric or imperial.
Loan Calculator
Monthly payment, total interest, and a full amortization schedule — see what a loan really costs.
Unit Converter
Length, weight, temperature, volume, area, speed, data, and time — converted live, both ways.
Random Number Generator
Truly random numbers in any range — plus dice rolls and coin flips, all crypto-grade.
Investment Calculator
Project compound growth from regular investing — contributions vs growth, inflation-adjusted, year by year.