Countdown Timer & Stopwatch
Online countdown timer, stopwatch and lap timer · free, no signup
Free Online Countdown Timer & Stopwatch
Set a countdown for cooking, workouts, exams, presentations or breaks, and get a sound alert when it reaches zero. Quick presets start common timers in one tap.
The stopwatch counts up to the hundredth of a second and records lap times, useful for running, swimming, speeches and experiments. The page title shows the running time so you can keep the tab in the background.
Countdown with alarm
Audible alert at zero.
Stopwatch with laps
Precise to 0.01 second.
Quick presets
1, 5, 10, 15, 30 and 60 minutes.
Tab-title display
See the time without opening the tab.
How to use it
- Set hours, minutes and seconds.
- Press Start.
- Use Pause and Reset as needed.
- Switch to the stopwatch and press Lap to record splits.
Frequently asked questions
Will the timer keep running if I switch tabs?
Yes. It calculates from the system clock, so it stays accurate in the background.
Does it make a sound?
Yes, a short alarm plays when the countdown finishes. Allow sound for this site.
How accurate is the stopwatch?
It is accurate to about a hundredth of a second.
Can I set a timer longer than an hour?
Yes, up to 99 hours.