Preset countdown
1 Second Timer
Run a 1 second timer instantly. The timer below is pre-filled and ready to start in your browser.
1 Second Timer
Preset online countdown with pause, reset, and quick restart.
00:00:00
Ready to start.
About this 1 second timer
This page loads the timer with 0 hours, 0 minutes, and 1 seconds pre-filled so you can start it immediately.
Can I change the duration?
Yes. The fields stay editable after the page loads.