intensive timer

Even if you close the page or the device goes to sleep, the remaining time will be recalculated from the scheduled end time when you return.

Theme

work 25:00 Waiting to start

0 / 4 sessions

Tasks to be tackled now

completed session: 0
concentration time: 0 min
completed cycle: 0

Shortcut: Space Start/pause R reset S skip M Mute

Enter a task name and press "Start" to begin your work session.

timer settings

If you change the time, it will be reflected immediately if you are waiting, and from the next session if you are running or paused.

session time work Additional information for this feature. Additional information for this feature. Additional information for this feature. Additional information for this feature. Additional information for this feature. Additional information for this feature. times

automatic start Automatically start a break after work Automatically start work after a break

If you disable autostart, it will wait for the next "start" after each session ends.

Additional information for this feature. Play sound when finished Volume 60%

desktop notifications Notify session end

Additional information for this feature.

How to use it to stay focused

Enter the specific tasks to be completed in one session in the task field.
While you're working, close notifications and other tabs as much as possible, and when you hear the finish sound, step away from the screen and take a break.
Background notifications and sounds may be suppressed due to the power saving settings of your browser or OS.
When you delete site data in your browser, settings, running status, and current day's records will also be deleted.

About this tool

You can separate your concentration time and rest time, and manage your work rhythm, current tasks, and concentration results for the day using just your browser.

Features

Automatic switching and time settings for work, short breaks, and long breaks
Pause, reset, skip, notification sounds, desktop notifications
Task name, number of completions/concentration time for the day, status restoration after reloading

How to use

Start
Enter the task you're working on and press "Start" to get started.
When the completion tone sounds, take a break and check the number of completions and concentration time for the day.

Limitations

Background notification sounds and desktop notifications may be suppressed due to the power saving settings of your browser or OS.
When you delete site data in your browser, saved settings, running states, and today's records will also be deleted.

Privacy: Timer settings, task names, execution status, and the day's records are only saved within the browser and are not sent or saved to the Develop Tools server.