Stopwatch & Timer
Stopwatch with laps and a countdown timer with alarm. Free, no sign-up, and it runs in your browser — your files are never uploaded.
How to use
- Choose Stopwatch or Countdown
- Start, pause, lap or reset
Questions
Do I need an account?
No. Every tool is free to use without signing up.
Is my data uploaded?
No. This tool runs in your browser, so the text and files you use stay on your device.
Related tools
- Unit Converter — Length, weight, temperature, data size and more.
- Time Zone Converter — See a time across multiple time zones.
- Date Difference & Age — Days between dates, age calculator, add or subtract days.
- Password Generator — Strong random passwords using the Web Crypto API.
- BMI Calculator — Body mass index in metric or imperial units.
- Random Picker — Random numbers, pick from a list, flip a coin or roll dice.