nTropi

Stopwatch Timer

Precise stopwatch with split times and customizable countdown timer with alerts.

Millisecond Precision
Lap/Split Recording
Persistent State
Visual Progress Ring
Audio Alerts

  • Stopwatch Mode:
    • Click Start to begin counting up.
    • Click Lap to record split times without stopping.
    • Click Reset to clear the time and laps.
  • Timer Mode:
    • Switch to the Timer tab.
    • Enter a custom duration or click a Preset (e.g., 5 min).
    • Click Start to begin the countdown.
    • Use +1 min buttons to extend time on the fly.

  • Precision: Engineered for accuracy suitable for workouts, cooking, or productivity sprints.
  • Privacy Focused: All timing logic happens directly in your browser. No data is sent to any server.
  • Distraction Free: Clean, modern design with large readable digits and no clutter.
  • Always Ready: Works offline once loaded and persists across sessions.

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