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Pomodoro Timer (25/5/15)

Focus timer — 25 min work, 5 min short break, 15 min long break after 4 cycles. Sound alert, browser notifications, daily pomodoro count, offline.

All tools Browser-only

25:00

Pomodoros today

🍅 0

Work Short break Long break

Auto-start next phase Sound Browser notifications

Features

3 modes: Work / Short break / Long break — one-click switch.
Auto-advance: 25′ done → 5′ break automatically. After 4 cycles → long break.
Sound + Notification: alerts even when tab is hidden.
Daily Pomodoro counter.
Tab title countdown: see remaining time from the favicon tab.
Custom durations: override the 25/5/15 defaults.

K-12 teachers, tutors, TAs — classroom organization tools: timers, attendance, group makers, grade averages.

Is student roster data safe?

Stored in browser localStorage — no server, no account. Incognito or cache clear = lost. Export CSV regularly for backup.

Does it work offline?

Yes. After the first page load, you can disconnect and the tool keeps working — perfect for classrooms with weak WiFi.

Pick a random student from a list. No-repeat mode.

Split a class into N balanced groups, or by group size.

Fullscreen countdown for class. Color warnings + alarm.

Stopwatch with 10ms precision, lap recording, Space/L/R shortcuts. Great for classroom, sports.