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Countdown Timer

Countdown timer with custom presets, sound alerts, and loop mode

About Countdown Timer

Countdown timer with custom presets, sound alerts, and loop mode — runs entirely in your browser.

How to use Countdown Timer

  1. 1Set the countdown duration using the hours, minutes, and seconds inputs.
  2. 2Click Start to begin the countdown.
  3. 3Use Pause and Resume to control the timer as needed.
  4. 4Enable the sound alert to get notified when time is up.
  5. 5Set the loop count to automatically repeat the timer for interval training or repeated tasks.

Tips

  • Use loop mode for interval workouts or repeated study sessions with fixed break times.
  • The timer keeps running even if you switch to another browser tab.
  • Combine with the Pomodoro Timer for structured work sessions with precise countdown control.

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OneKitTools TeamUpdated 2.21.4