Timer for 18 seconds

18
Time left: 00:00:18
Settings

An easy way to keep time under control

The 18-second online timer is great for small tasks where accurate timing is important. After the period expires, a custom beep sounds.

Full-screen mode makes timer tracking more visible, especially in team work.

It works through any browser, without requiring installation or complex settings.

Why a 18 seconds timer is useful

A 18 seconds timer is often used to time a short interval for an exercise, a speed challenge, or a micro-break. It works for warm-ups, game answer time, short workouts, and reflex training. Everything runs directly in the browser, no apps to install.

How to use the 18 seconds timer

  1. Open the timer. Go to the 18 seconds timer page — it's ready to run right away, nothing to download.
  2. Start the countdown. Click the "Start" button — the timer counts down from 18 seconds to zero.
  3. Control as needed. Use "Pause" and "Reset" to stop or restart the timer at any time.
  4. Pick a sound. In settings, choose a suitable alarm sound and volume, or mute it entirely.
  5. Wait for the alert. When time is up, the selected sound plays. Remaining time also shows in the browser tab title so you won't miss the end.

FAQ about the 18 seconds timer

Do I need to install anything?

No. The 18 seconds timer runs in the browser — on phone, tablet, or computer. No apps to install, no sign-up needed.

Does the timer keep running in a background tab?

Yes, the countdown continues even when you switch tabs. The remaining time is also shown in the browser tab title, so you won't miss the end.

Can I change the alarm sound?

Yes, settings let you pick different sounds and adjust the volume. You can also mute it entirely.

Can I expand the timer to full screen?

Yes, there's a full-screen mode — handy for presentations, classes, workouts, and group sessions.

Is the countdown accurate?

The timer uses the device's system clock and stays accurate even on long intervals. Countdown precision is to the second.