Free & Accurate Timer - Set countdowns from 1 second to 24 hours
Preset buttons for common durations let you start your timer with just one click.
Go fullscreen for better visibility during workouts, presentations, or classroom activities.
Clear alarm sound notification when your countdown reaches zero.
Works perfectly on all devices - desktop, tablet, and mobile phones.
Use our timer immediately without any sign-up or personal data required.
No hidden fees, no subscriptions. Use our timer as much as you want.
Quick tasks, short breaks
Power naps, quick thinking
Breathing exercises, meditation
Short workouts, quick breaks
Focus sessions, morning routine
Pomodoro technique, short reads
Exercise routines, cooking
Meetings, study sessions
Movies, workshops, events
Daily challenges, deadlines
A countdown timer is a clock that counts down from a specified time interval to zero, typically to mark the end of a scheduled event or activity. Our online countdown timer lets you set custom durations from 1 second to 24 hours.
Simply click the "1 Min" preset button, then click the Start button. You can also manually set 0 hours, 1 minute, and 0 seconds in the input fields.
Yes! Click the "5 Min" preset button or manually enter 0 hours, 5 minutes, and 0 seconds, then click Start.
Use the "10 Min" preset button or set 0 hours, 10 minutes, and 0 seconds in the input fields before starting the timer.
Absolutely. Click the "30 Min" preset button or manually enter 0 hours, 30 minutes, and 0 seconds.
Use the "1 Hr" preset button or set 1 hour, 0 minutes, and 0 seconds in the input fields.
Yes, our timer supports up to 24 hours. Use the "24 Hr" preset button or set 24 hours, 0 minutes, and 0 seconds.