DashboardcalculatorOnline Stopwatch & Timer
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Online Stopwatch & Timer

Free stopwatch with lap tracking and a countdown timer with presets and audio alarm. 100% browser-based, no downloads needed.

Stopwatch

00:00.00
Overview

What this tool does

Precision online stopwatch with lap timing and a customizable countdown timer with alarm sound.

100% private in-browser processing. Zero cloud uploads.
Tutorial

How to use it

  1. 1Switch between Stopwatch and Countdown Timer tabs.
  2. 2Click Start to begin timing or record split laps.
  3. 3Set hours, minutes, and seconds for countdown alarms with presets.

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