HandyToolkits

15 Minute Timer — free online countdown, full screen

A 15 minutes countdown that starts with one click. Use it for group work, longer breaks, homework blocks and a power nap.

How to use the 15 minute timer

  1. Press Start (or the space bar). The timer is already set to 15 minutes.
  2. Press Full screen to show it on a projector, smartboard or TV.
  3. When time is up it beeps three times and the screen flashes. Press Reset to run it again.

What 15 minutes is good for

Fifteen minutes is the classic length for a group task, a longer break, or a power nap that does not leave you groggy. It is also the longer Pomodoro break.

  • Group work and station rotations
  • A power nap
  • Homework blocks for younger children
  • Pomodoro long breaks

Other timer lengths

Need laps or to count up instead? Use the stopwatch.

Questions and answers

Is 15 minutes a good power nap length?

Many people find 10 to 20 minutes refreshing without waking up groggy. Set the timer and lie down; it beeps three times at the end.

Can I add time while it's running?

Not yet. Pause, type the new minutes in 'Set your own', and start again.

Is this 15 minute timer free?

Yes, free with no sign-up and no app to install. It runs in your browser on a phone, tablet or computer.

Free to use, runs in your browser, nothing uploaded. Last updated 2026-10-07. Made by HandyToolkits; questions to [email protected].

More free tools