Stopwatch & Countdown Timer

Use a stopwatch with lap times or a countdown timer with an alarm.

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    About this tool

    Switch between a stopwatch and a countdown. Record laps, set minutes and seconds, and hear a beep when time is up.

    How to use Stopwatch & Countdown Timer

    1. Choose Stopwatch or Timer.
    2. Press Start (set the time first for the timer).
    3. Use Lap, Pause or Reset as needed.

    Frequently asked questions

    Does it keep running in a background tab?

    Yes, it uses the system clock, so the time stays accurate even if the tab is in the background.

    Will the alarm play?

    A short beep plays when the timer ends. Allow sound for this page if your browser blocks it.