Stopwatch and Countdown Timer
Measure a duration or show time remaining. It is not a guaranteed alert after the page closes.
00:00.0
Closing the page stops the timer. Keep the tab open for the alarm.
Set the countdown
Laps
Press Lap while the stopwatch runs to record split times.
| # | Lap | Total |
|---|
How to use it
- Choose Stopwatch or Countdown.
- For a countdown, set the time or pick a preset.
- Press Start, then Pause, Lap or Reset.
Examples
- StopwatchLap after 2.2 s The lap and its total are recorded
- 3-second countdownStart Ends at 00:00 with a sound and a message
- 5 minutesQuick choice The countdown is set to 05:00
Tool details and privacy
A stopwatch with laps and a countdown in hours, minutes and seconds, on a big display with a sound when time is up.
Start, pause, resume and record split times, or set a countdown with a quick choice such as 5 or 25 minutes.
Options
- Tenths of a second on the stopwatch, unlimited laps.
- Presets from 1 minute to 1 hour, and a sound at zero.
Limits
- Closing the page stops the timer.
- Keep the page open to hear the alarm.
Privacy
Everything is worked out in your browser. Nothing is sent to a server or saved.
Questions
Are laps saved?
No. They stay until you reset or close the page.
Does it ring at zero?
Yes, with the sound on.
Can I set hours?
Yes, up to 23 hours.