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Fast, no-signup, privacy-friendly utilities that run entirely in your browser. Pick a category to get started.
Start with these free calculators and generators. More tools are being added every week.
Find your precise age in years, months, and days — plus total days, hours, and minutes lived.
Calculate your Body Mass Index in metric or imperial units and see which WHO category it falls into.
Three common percentage calculations in one tool: percent of a number, what percent one number is of another, and percent change.
Calculate a tip and split the bill evenly between any number of people.
Calculate the monthly payment, total interest, and total cost of any fixed-rate loan.
Generate strong, random passwords with custom length and character sets — everything runs locally in your browser.
Loan, mortgage, interest, tax, and investment calculators.
BMI, calorie, macro, pace, and body-metric calculators.
Scientific, geometry, statistics, and algebra calculators.
Length, weight, temperature, volume, speed, and area.
Age, countdown, time-zone, duration, and timestamp tools.
Word count, case conversion, reverse, diff, and formatters.
JSON, regex, hashes, base64, JWT, and code formatters.
Color pickers, palettes, gradients, contrast, and CSS helpers.
Passwords, UUIDs, QR codes, lorem ipsum, and names.
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