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Utility Tools
Accurate fullscreen countdown timer and stopwatch with audio alarms, visual progress ring, customizable quick presets, and drift-free background execution.
Follow these simple steps to get instant, accurate results directly in your browser:
Input hours, minutes, and seconds, or choose a quick preset (e.g. 5, 15, 25 mins).
Click 'Start' or press spacebar to begin the countdown.
Hear the audible completion chime when the countdown reaches zero.
The Online Timer is an accurate digital stopwatch and countdown timer with audible alarms, lap time tracking, fullscreen view, and preset durations.
Engineered with high-precision JavaScript Date interval timing, the timer maintains exact chronological accuracy without drifting, even when your computer enters power-saving modes or background browser tabs.
The timer operates locally on your machine with zero latency and requires no account creation or downloads.
Maintains chronological precision across background tabs and sleeping screens.
Plays clean Web Audio chimes when the timer finishes.
One-click presets for 5, 10, 15, 25 (Pomodoro), 30, and 60 minutes.
Runs on your local CPU with zero data transmission.
Structure productivity into 25-minute focused work sprints and 5-minute restorative breaks.
Track exact boiling, baking, and roasting times while working at your computer.
Display clean, visible countdowns for student presentations and classroom quizzes.
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