Stopwatch
Start, stop and record laps. Accurate to a hundredth of a second.
How to use the Stopwatch
- Press Start (or the space bar) to begin timing.
- Press Lap to record split times.
- Press Pause to stop, and Reset to clear.
Use the stopwatch for running laps, speeches, experiments, timing tasks to beat procrastination, or seeing how long chores really take.
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Keyboard shortcuts
Space start or pause · R reset · F full screen
Questions
Is the stopwatch accurate?
It uses your device clock and shows hundredths of a second. It stays accurate even if the tab is in the background.
Will it make a sound when time is up?
Yes. Pick a sound under "Style, color & sound" and press Test to check your volume. On phones, make sure silent mode is off.
Can I get a notification in another tab?
Yes. Turn on notifications and you will get an alert when the Timer finishes while this page is open in the background.
Does it work offline or as an app?
Yes. TimerBright works offline after your first visit, and you can install it to your home screen or desktop like an app.