Free Online Countdown Timer
Set a countdown with hours, minutes and seconds or a quick preset, run a full Po...Set a countdown with hours, minutes and seconds or a quick preset, run a full Pomodoro cycle, or count down to a date. Accurate timing with an alarm.
Updated
Set Duration
Quick Timers
Quick answer
A countdown timer counts down from a time you set and alerts you when it reaches zero. Set hours, minutes and seconds or tap a preset like 5 or 25 minutes, then start, pause, or reset. It keeps accurate time because it counts against a real timestamp rather than ticking a number down, and it shows the remaining time in the browser tab so it stays useful in a background tab. The built-in Pomodoro mode cycles 25 minute focus sessions with 5 minute breaks and a longer break every fourth round, and an alarm sounds when time is up.
Timer Features
Why Use Free Online Countdown Timer?
Accurate, No Drift
The timer counts against a real timestamp instead of ticking a number down every second, so it stays accurate even if your device is busy or the tab is in the background.
Built-in Pomodoro
A full Pomodoro mode cycles focus sessions and breaks automatically, with a round counter and a long break every few rounds. Edit the focus and break lengths to fit how you work.
Alarm and Tab Title
An alarm sounds when time is up, and the remaining time shows in the browser tab title so you can watch the countdown while you work in another tab.
Remembers Your Settings
Your last duration, Pomodoro lengths, and sound choice are saved in your browser, so the timer is ready the way you left it next time you open it.
Keeps the Screen Awake
While a timer runs, the page can hold a screen wake lock on supported devices so your screen does not dim or sleep during a focus session.
No Sign-Up, In Your Browser
Open the page and start. There is no account and no upload. All of the timing runs locally in your browser using plain JavaScript.
Common Uses for the Countdown Timer
Study and Focus
Run Pomodoro focus sprints for study, revision, and deep work.
Cooking and Baking
Set a kitchen timer for boiling, baking, or brewing.
Workouts and Intervals
Time exercise sets, rounds, and rest periods.
Talks and Meetings
Keep presentations and meetings on schedule.
Exams and Practice Tests
Give practice tests a strict time limit.
Event Countdowns
Count down to a launch, birthday, or holiday by date.
How It Works
Pick a Mode
Choose Timer to count down a duration, Pomodoro for focus sessions and breaks, or Date to count down to a specific day and time.
Set the Time
Enter hours, minutes and seconds, or tap a quick preset such as 5, 10, or 25 minutes. In Pomodoro mode you can adjust the focus and break lengths.
Start and Get Alerted
Press Start, then pause, resume, or reset any time. When the countdown reaches zero you get an alarm sound and a browser notification.
Tips and Best Practices
Try the Pomodoro Rhythm
Work in 25 minute focus sprints with 5 minute breaks, and take a longer break after four rounds. Pomodoro mode runs this cycle for you.
Watch It From Another Tab
The remaining time shows in the browser tab title, so you can leave the timer open and glance at the tab while you work in another one.
Allow Sound and Notifications
Interact with the page once, and allow browser notifications, so the alarm can play and pop up a message when the countdown finishes.