Pomodoro Timer

Stay focused and boost productivity using the classic Pomodoro Technique: 25-minute focused work intervals separated by 5-minute short breaks and 15-minute long breaks after 4 sessions.

Why Use This Tool?

• Deep Work Productivity: Eliminate distractions by committing to 25-minute uninterrupted work sprints.
• Prevent Burnout: Enforce regular 5-minute movement and hydration breaks to maintain mental energy.
• Customizable Intervals: Adjust work (e.g. 50 min) and break durations to match your personal focus style.

How to Use

1. Click "Start Focus" to begin a 25-minute Pomodoro work session.
2. When the chime sounds, take a 5-minute Short Break.
3. After completing 4 Pomodoro sessions, enjoy a 15-minute Long Break.

Real Working Example

Input:

Session: Work Focus (25:00)

Output Result:

Current State: Focus Sprint 1/4 | Time Remaining: 18:45 | Sound Alerts: Enabled

Important Technical Details & Formulas

• Interval State Machine: Cycles automatically through Focus -> Short Break -> Focus -> Long Break phases.
• Web Audio Chime Notifications: Triggers crisp audio chime alerts on phase completion.
• Background Tab Support: Uses system timestamp deltas to prevent timer lag in background browser tabs.

Related Measurement & Time Tools

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• Online Notepad: Quick note scratchpad.