Stopwatch & Lap Timer

Millisecond split stopwatch and countdown timer with recorded laps and lap time export.

  • 100% free
  • Private in browser
  • No signup
  • No watermarks
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About Stopwatch & Lap Timer

Use this high-accuracy online stopwatch and lap timer for workouts, running, studying, cooking, and productivity. Record unlimited laps with split times and time differences, and export your session times directly to clipboard.

How to use Stopwatch & Lap Timer

  1. Click Start to begin timing with millisecond precision.
  2. Click Lap to record intermediate split times and lap intervals.
  3. Click Pause to halt timing temporarily or Reset to clear the session.
  4. Export or copy recorded laps for your records.

Key features

  • Millisecond precision time tracking
  • Unlimited lap and split recording
  • Shows fastest lap, slowest lap, and average lap time
  • One-click export of lap history
  • Clean fullscreen-ready visual display

Frequently asked questions

Is the stopwatch accurate?
Yes, it uses performance.now() and browser high-resolution timestamps to prevent drift.
Does the timer keep running if I switch tabs?
Yes, time calculation is delta-based and continues accurately even when switching tabs.
Is my data uploaded anywhere?
No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.
Does it work on a phone?
Yes. The layout adapts to small screens and needs no app or signup.
Is Online Stopwatch & Lap Timer Free free?
Yes. Online Stopwatch & Lap Timer Free on TheToolss is free to use with no signup required for the core workflow.

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Online Stopwatch & Lap Timer Free | TheToolss