countdown timer
pick a preset or enter any time, then start. goes fullscreen for classrooms and presentations and plays a sound at zero.
runs on your device · free · no sign-up
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frequently asked questions
how do i set a custom time?
type hours, minutes and seconds, or tap a preset such as 1, 5, 10 or 25 minutes.
does it keep running in the background?
yes. it uses the real clock, and the remaining time appears in the browser tab title.
can i use it fullscreen?
press f or the fullscreen button to show a large clock, ideal for a projector or a second screen.