Everyday tool
Full-Screen Timer
Present a timer on a big screen with no clutter. Choose countdown or count-up mode, adjust digit size, add a label, toggle a progress bar, and set a warning threshold that changes the display color as time runs low. Uses the browser Fullscreen API when available, with an in-page fallback that fills the viewport.
Presentation timer
Ready when you are
Set duration
Sound alerts
Alerts play for 2.4 seconds. Alerts may not play if your device is locked, asleep, or the browser is suspended.
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.
Multiple Timers
Run several independent countdown timers at once, each with its own name, controls, and completion alert.