Yes, completely free with no signup, no ads during sessions, and no usage limits.

Does it upload any data?

No. The timer runs entirely in your browser using JavaScript — nothing leaves your device.

Does it work on mobile?

Yes. The timer works in Safari, Chrome, and Firefox on iOS and Android. Keep the tab open for best results.

使用 Pomodoro 技巧的专注计时器:25 分钟工作搭配 5 分钟短休息。

25:00

Session 1 · Work

Completed sessions: 0

Click Start to begin a 25-minute work session. Stay focused on a single task.
When the timer ends and the alarm sounds, take a 5-minute short break — step away from the screen.
After every 4 completed sessions, take a 15-minute long break. The timer auto-advances between modes.

Is this timer free?: Yes, completely free with no signup, no ads during sessions, and no usage limits.
Does it upload any data?: No. The timer runs entirely in your browser using JavaScript — nothing leaves your device.
Does it work on mobile?: Yes. The timer works in Safari, Chrome, and Firefox on iOS and Android. Keep the tab open for best results.

Last updated: 2026-05-20 By jarvisbox