複数タイマー

How to use

1. Click "Add Timer" to create a new countdown timer.
2. Enter a label (e.g. "Pasta") and a duration in H:MM:SS format.
3. Press Start — the timer counts down and beeps when it reaches zero.

Related time tools

• Multiple Alarms
• Stopwatch with Laps
• Pomodoro Timer
• Countdown Timer

よくある質問

Is the multiple timer tool free?

Yes, completely free with no signup and no usage limits.

Does my data leave my device?

No. All timers run in your browser using JavaScript. Nothing is sent to any server.

Does it work on mobile?

Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.