15 Minute Timer
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Quick Presets

15 Minute Timer

A 15 minute countdown that starts the moment you press Start. Mechanical flip digits you can read from across the room, fullscreen mode for presentations, and a sound alert when time is up.

Already set to 15:00 — just press Start

⚡Why use this timer

  • ✓Flip digits are legible from across a room — no squinting at a phone
  • ✓One click starts the countdown, no account or download
  • ✓Fullscreen mode hides everything but the clock
  • ✓Sound alert plays the moment it hits zero
  • ✓Keeps running while you switch tabs
  • ✓Your last setting is remembered for next time

📖How to use the 15 minute timer

  1. 1The timer is already set to 15 minutes — press Start (or the space bar) to begin.
  2. 2Press Pause to stop the clock without losing your place, then Resume to continue.
  3. 3Press F for fullscreen if you are presenting or projecting the timer.
  4. 4Press R to reset back to 15:00 and run it again.

Fifteen minutes is a power nap, a language drill, or the warm-up half of a Pomodoro cycle. Long enough to get somewhere, short enough to fit between meetings.

Other countdown lengths

55 min1010 min
1515 minViewing
2020 min2525 min3030 min6060 min

Frequently asked questions

Is this 15 minute timer free?

Yes. The timer is free, needs no account, and runs entirely in your browser. Nothing is installed and nothing is uploaded.

Does the timer keep running if I switch tabs?

Yes. The countdown is driven by the clock, not by animation frames, so it keeps correct time while the tab is in the background. The flip animation catches up when you come back.

Can I change the time once the countdown has started?

You can press Pause, then Reset to return to 15:00. To use a different length, use the preset buttons under the clock or type a new time with Set Time.

Will I hear an alert when the 15 minutes are up?

Yes. A sound alert plays when the countdown reaches zero. You can turn it off, or enable auto-repeat, from the settings panel in the header.

Does it work on a phone?

Yes. The flip digits scale down to fit narrow screens, and fullscreen mode works on mobile browsers too.

All countdown tools