Will I get a reminder when the countdown ends?

Yes, an alarm sound will play and a browser notification will appear when the countdown reaches zero.

Can I set multiple countdowns at the same time?

The current version supports a single countdown. Closing the page stops the timer, so keep the tab open.

EffiRoom

Countdown Timer

Set a duration and count down with an alarm reminder

Runs locally in your browser; input is never uploaded

Office Productivity

05:00

Counting down

Set minutes

Shortcuts: Space start/pause, F fullscreen. Alarm on completion.

Usage

Countdown timer: set a number of minutes and start; when it reaches zero it plays an alarm and sends a browser notification. Quick presets for 1/5/10/25/60 minutes. Shortcuts: Space to start or pause, F to toggle fullscreen. Runs entirely in your browser.

FAQ

1.
Will I get a reminder when the countdown ends?
Yes, an alarm sound will play and a browser notification will appear when the countdown reaches zero.
2.
Can I set multiple countdowns at the same time?
The current version supports a single countdown. Closing the page stops the timer, so keep the tab open.