OneTapTimer
Start a timer

OneTapTimer utility

10 Second Timer

A 10-second timer for countdowns, reaction drills, and quick resets. It starts the moment the page loads.

Ready when you are

Ready
00:00

Press start to begin.

How to use this timer

  1. Press Start.
  2. Pause and resume whenever you need.
  3. Press Reset to return to the original duration.

Private and accurate

This tool runs on your device. It recalculates from the system clock so background tabs do not make the display drift. Date countdowns use your device local timezone.

Build a custom timer →Browse all timer presets →