Timer

Free online countdown timer, support custom hour, minute and second settings, play alert sound and desktop notification when time is up.

Features

• Intuitive timing interface, easy to operate
• Support custom hours, minutes, seconds
• Provide 6 quick preset times
• Play alert sound when time is up
• Support desktop notification reminder
• Support pause and reset functions
• Responsive design, support mobile devices
• Dark/light theme switching
• Internationalization support (Chinese/English)

Usage Instructions

1. Set hours, minutes, seconds in the input boxes
2. Click "Start" button to start the timer
3. Can pause or reset at any time during timing
4. Will play alert sound and send notification when time is up
5. Can use quick preset buttons to quickly set common times

Quick Preset Times

• 1 minute
• 5 minutes
• 10 minutes
• 15 minutes
• 30 minutes
• 1 hour

Application Scenarios

• Cooking timer
• Workout training timer
• Study focus timer
• Meeting reminder
• Game timer
• Pomodoro technique

Notes

• Need to enable browser notification permission to receive desktop notifications
• Timing will stop after page refresh
• It is recommended to keep the browser tab active for best experience
• Audio playback requires user interaction authorization