Countdown Timer
To start a countdown timer, enter hours, minutes and seconds (or pick a preset like 5 or 25 minutes) and press Start; or count down to a date and time. An alarm sounds at zero, the remaining time shows in the tab title, and it keeps time accurately even in a background tab.
- Free
- No signup
- Runs in your browser
How to use Countdown Timer
- 1Type or paste your input into the Countdown Timer.
- 2Choose any options you need.
- 3See the result update instantly.
- 4Copy the result or download it.
Countdown Timer: questions people ask
Will it work if I switch tabs?
Yes. It tracks the end time rather than counting ticks, so it stays accurate; the alarm plays when it finishes.
Can I go full screen?
Yes. Click Full screen for a large display, good for classrooms and presentations.
Is my data uploaded when I use the Countdown Timer?
No. The Countdown Timer runs entirely in your web browser, so your text and numbers stay on your device and work even on a slow connection.
Does the Countdown Timer work on iPhone, Android and Mac?
Yes. The Countdown Timer runs in any modern browser (Safari, Chrome, Edge or Firefox) on iPhone, iPad, Android phones, Mac, Windows and Chromebook. There is no app to install.
Is the Countdown Timer free?
Yes. The Countdown Timer is free with no signup, no watermark and no daily limit.