Free online tools & calculators
Every tool runs in your browser, is free to use and needs no account. Pick one to get started.
- Age CalculatorYour exact age in years, months, days and seconds.
- BMI CalculatorBody Mass Index and healthy weight range, metric or imperial.
- Password GeneratorStrong, random passwords generated locally in your browser.
- Unit ConverterLength, weight, volume, temperature and speed conversions.
- Percentage CalculatorPercent of a number, percent of a total and percent change.
- Loan CalculatorMonthly payment, total interest and yearly amortization.
- QR Code GeneratorTurn any link or text into a downloadable QR code.
- Color Palette PickerShades, complementary, analogous and triadic palettes.
- Pomodoro Timer25-minute focus sessions with short and long breaks.