Free Countdown Timer & Stopwatch Online
Precision countdown timer with alarm sound, multiple simultaneous timers, stopwatch with lap splits, and Pomodoro work session timer (25/5 minute intervals). — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.
How It Works
Set Timer Duration
Enter hours, minutes, and seconds, or choose Pomodoro presets.
Start Timer
Click start and minimize or navigate away — timer continues in background.
Alarm on Completion
Hear alarm sound and see browser notification when timer completes.
Use Stopwatch
Switch to stopwatch mode for elapsed time measurement with lap splits.
Frequently Asked Questions
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