Countdown

The timer stays in this tab. Nothing is uploaded.

Time left

00:05:00

Run a countdown in this tab. Closing the tab stops it. It is not a system alarm.

Open Countdown
Hours, minutes, and seconds sit on the left. The remaining time is on the right.
Set a duration
Start, pause, or reset. The count only runs while this tab stays open.
Watch it hit zero
At 00:00:00 the timer stops. Reset to load the fields again.

Can I run a countdown here?

Yes. Set hours, minutes, and seconds, then start. Pause and reset are in this tab.

Is this uploaded?

No. The timer runs in this tab. Closing it stops the count.

Does it keep running in the background?

Only while this tab stays open. It is not a system alarm.

What happens at zero?

The timer stops at 00:00:00.

Can I change the time while it runs?

Pause or reset, then edit the fields.