Countdown Timer
Set custom time intervals in hours, minutes, and seconds, or count down from any specific starting number. Features customizable presets, live visual progress rings, audio chime alerts, and fullscreen focus mode.
Configure Time Duration
Duration Quick Presets
About Online Countdown Timer
Custom Duration Timer
Configure precise hours, minutes, and seconds intervals with fast quick-add buttons and Pomodoro presets.
Number Counter Countdown
Count down starting from any target number (e.g. 10, 50, 100, 1000) down to zero with instant presets.
Audio Chime & Fullscreen
Generates clear audio chime notifications on finish and supports single-click Fullscreen mode for maximum focus.
Popular Use Cases
Pomodoro Work Sessions
Use the 25-minute focus & 5-minute break presets for maximum daily productivity.
Presentations & Talks
Keep speeches and speaker presentations on schedule with the fullscreen visual ring.
Exercise & Workouts
Time HIIT interval training, plank holds, and rest periods with audio chime feedback.
Board Games & Quizzes
Count down turns or numeric rounds for classroom quizzes and game nights.
100% Browser Client-Side Execution & Privacy
This countdown timer runs 100% locally in your web browser. No server connection is required once loaded, and no usage data or custom timers leave your computer.
Explore Related Tools
Save this tool to your Favorites
Sign in with Google to bookmark tools and access them quickly from your Favorites tab.
Help us improve Countdown Timer!
Found a bug, want a new option, or have suggestions for Khmer Unicode formatting? Share your comments and help us improve.
Discussion
0Join the discussion
Sign in to leave feedback, ask questions, or report bugs. Your input helps improve this tool!
No comments yet. Be the first to share your thoughts!