Everyday tool
Count-Up Timer
Measure how long something takes. Start from zero or enter an elapsed duration, set an optional target to see your progress, and keep counting past the target with a clear target-reached state. Useful for tracking activity duration, presentation length, or any open-ended timing task.
00:00
Ready when you are
Sound alerts
Alerts play for 2.4 seconds. Alerts may not play if your device is locked, asleep, or the browser is suspended.
Keep screen awake
How to use this timer
- Set your duration or choose a practical preset.
- Press Start when you are ready. Pause and resume whenever you need.
- Use Reset to return to the configured starting point.
Related timers
Custom Countdown Timer
Set hours, minutes, and seconds for a precise countdown with sound alerts, presets, and full-screen mode.
Stopwatch
Time events with hundredths-of-a-second precision, record laps, and export your lap data as CSV.
Repeating Timer
Cycle through work and rest intervals with configurable duration, rest, cycle count, and phase alerts.