Countdown Timer
Choose a duration and run a reliable countdown in this browser tab.
00:05:00
Ready to start.
Runs only in this browser tab. Closing the tab ends the timer; no background reminder is provided.
A QUICK WALKTHROUGH
How to use this tool
- Enter hours, minutes, and seconds.
- Select Start, then pause or resume as needed.
- Reset to edit the duration or start again when the countdown completes.
Runs in this tab
The timer is local to this browser tab. Closing the tab ends it and does not provide a background reminder.
Completion alert
When the timer reaches zero, the display stops and a completion message is announced. No sound or background notification is provided.
GOOD TO KNOW
Common questions
Can it run after I close the tab?
No. This is a browser-tab timer and cannot provide background reminders after the tab closes.
Can I pause and resume?
Yes. Pause preserves the remaining duration and Start resumes it.