Pomodoro Timer. Customizable focus and break timer with target-end-time correction, local daily session statistics, optional ambient sound, notifications, and transparent full-block planning.
Choose your path
Run a configurable focus/break cycle with a trustworthy browser countdown and understandable local session statistics.
Fit a complete focus block before a meeting.
Set focus/break durations and sessions, inspect the block total, and choose manual or automatic transitions.
Can reconcile n focus sessions, n−1 short breaks, one long break, and the total duration.
Adapt pacing without being judged against a universal 25/5 target.
Choose shorter focus or longer breaks, optional ambient sound, and manual starts.
Uses the timer as a flexible aid and understands session count is not a productivity score.
Receive a reliable noncritical completion cue while working elsewhere.
Start the timer, keep the page open, and optionally grant notification permission.
The countdown catches up from its target timestamp and the user knows closing the page or system policy can prevent an alert.
This tool is part of these guided projects. Each project provides step-by-step instructions with checklists and all the tools you need in one place.
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The displayed countdown is recalculated from Date.now() and the target end timestamp instead of assuming every interval callback fires exactly on time. Browser suspension and closing the page still limit delivery.
A focus session is recorded only when its countdown completes. Daily focus seconds, completed sessions, and streak dates use the user's local calendar and remain in browser storage on this device.
A block contains the selected number of focus sessions, one fewer short breaks, and one long break. Auto-start is optional, and settings lock while running so a duration change cannot desynchronize the active countdown.
Updated: July 2026
A programmer chooses a 50/10 pattern, disables auto-start so each break is deliberate, and uses the block total to fit work before the next meeting.
A student shortens focus intervals and lengthens breaks to accommodate fatigue, uses ambient sound only if helpful, and treats the session count as a planning aid rather than a performance score.
A writer starts a session, moves to a document tab, and relies on target-end-time correction plus an optional notification while keeping the timer page open.
Run focused work intervals with deliberate breaks, or customize the durations and sessions per block to match the task and your access needs. Daily counts stay on this device; the target end time corrects for delayed background-tab ticks while the page remains open.