Online Timer
Synchronize interval cycles across tabs using persistent state logic. Configure system notifications and sound presets. Optimize focus workflows.
Please configure parameters and execute the action.
About Online Timer
Online Timer counts down a custom duration in the browser. You can pause or resume it, choose an alert, and use quick presets for common durations.
How to Use
Set a duration, choose an alert, and start the countdown.
- Enter hours, minutes, and seconds or choose a quick preset.
- Select a sound, browser notification, or no alert.
- Start the timer, then pause, resume, or reset it as needed.
Examples
-
Pomodoro focus timer
Duration: 25 minutes Alert: Notification sound Countdown starts at 00:25:00 and alerts at 00:00:00.
-
Short kitchen timer
Duration: 3 minutes 30 seconds Alert: Browser notification Countdown starts at 00:03:30 and can be paused or resumed.
Real-World Usage Scenarios
- Focused Work Cycles - Implement the Pomodoro technique by setting a 25-minute timer to maintain concentration during deep work tasks.
- Kitchen Accuracy - Manage precise cooking intervals for baking or brewing tea directly within your browser window.
- Interval Training - Coordinate rest periods or specific circuit sets during home exercise routines.
Frequently Asked Questions
Does the timer persist if I switch browser tabs?
Yes. The timer calculates the target time accurately, ensuring it stays synchronized regardless of which tab you are currently viewing.
What should I do if notifications are not showing up?
Ensure you have granted the browser permission to display notifications for this site and verify that your system Focus Assist or Do Not Disturb mode is disabled.
Is a constant internet connection necessary for the timer to run?
No. Once the page has finished loading, the logic executes locally within your browser environment.