Timer & Stopwatch

A stopwatch that counts up and a countdown timer, with clear status text.

00:00:00

Ready

🔒 All processing happens in your browser — files never leave your device. Your input stays in this browser and is not uploaded to Smart Online Tools.

How it works

  1. Choose Stopwatch or Timer.
  2. Set a duration for the timer.
  3. Start, pause or reset.

Good to know: Browsers may slow timers in background tabs, and there is no alarm sound, so keep the tab visible for time-critical use.

Privacy and processing

Your input stays in this browser and is not uploaded to Smart Online Tools.

Frequently asked questions

What does Timer & Stopwatch do?

Count up or down with start, pause and reset. A stopwatch that counts up and a countdown timer, with clear status text.

Does this tool upload my files or input?

Your input stays in this browser and is not uploaded to Smart Online Tools.

What should I know before using this tool?

Browsers may slow timers in background tabs, and there is no alarm sound, so keep the tab visible for time-critical use.