Pomodoro Timer

Boost your productivity with the Pomodoro Technique. 25-minute focused work sessions with 5-minute breaks. Customizable durations, browser notifications, audio alerts, and automatic session tracking. All settings saved locally in your browser.

How it works: Click Start to begin a 25-minute work session. When it completes, take a 5-minute break. After 4 work sessions, enjoy a 15-minute long break. Enable notifications for alerts when sessions complete.
25:00
WORK SESSION
Session 1 of 4

⚙ Settings

📈 Today's Statistics

0
Pomodoros
0h 0m
Focus Time
0
Breaks Taken

Features

Classic Pomodoro

Follow the traditional Pomodoro Technique: 25-minute work sessions, 5-minute breaks, and 15-minute long breaks after every 4 pomodoros. Proven method for maintaining focus and preventing burnout.

🔔

Smart Notifications

Browser notifications and audio alerts when sessions complete. Never miss a break or forget to return to work. Gentle audio tones generated with Web Audio API—no external files required.

Customizable Durations

Adjust work, break, and long break durations to match your workflow. Settings are saved in localStorage and persist across sessions. Perfect for adapting the technique to your needs.

📈

Daily Statistics

Track your productivity with daily stats showing completed pomodoros, total focus time, and breaks taken. Stats reset automatically at midnight to start fresh each day.

Understanding the Pomodoro Technique

The Pomodoro Technique is a time management method developed by Francesco Cirillo in the late 1980s. The technique uses a timer to break work into focused intervals, traditionally 25 minutes in length, separated by short breaks. Each interval is known as a "pomodoro," from the Italian word for tomato, after the tomato-shaped kitchen timer Cirillo used as a university student. The method is based on the idea that frequent breaks can improve mental agility and maintain consistent focus throughout the day.

How the Pomodoro Technique Works

The traditional Pomodoro Technique follows a simple pattern: work for 25 minutes without interruption (one pomodoro), then take a 5-minute break. After completing four pomodoros, you take a longer break of 15-30 minutes. During work sessions, you focus on a single task without distractions—no checking email, social media, or phone. The short breaks allow your mind to rest and consolidate information. The longer breaks after four sessions prevent mental fatigue and maintain productivity throughout the day. This timer automates the entire cycle: start a work session, get notified when it's break time, automatically switch to break mode, and track how many pomodoros you've completed.

Benefits of Using a Pomodoro Timer

The Pomodoro Technique offers several scientifically-backed benefits. First, it combats procrastination by breaking large tasks into manageable 25-minute chunks—committing to "just 25 minutes" feels less overwhelming than "finishing the entire project." Second, it improves focus by creating artificial urgency and eliminating distractions during work sessions. Third, it prevents burnout by forcing regular breaks, which research shows improves long-term productivity and creativity. Fourth, it provides quantifiable productivity metrics—counting completed pomodoros gives you concrete evidence of work done. Finally, it helps with time estimation: by tracking how many pomodoros tasks require, you become better at estimating future work.

Customizing the Timer for Your Workflow

While the classic 25/5/15 timing is effective, some people benefit from customization. Students or creative professionals might prefer shorter 15-minute sessions for intense focus tasks. Software developers might extend sessions to 50 minutes to match their flow state. The key is experimentation: if you find yourself consistently interrupted by the timer during deep work, try longer sessions. If you struggle to maintain focus, try shorter ones. This timer allows full customization of work, break, and long break durations. Your settings are saved automatically in your browser's localStorage, so they persist across sessions. The visual progress ring and session counter help you stay aware of where you are in the cycle without breaking focus.

Browser Notifications and Audio Alerts

This timer uses the browser Notification API to send desktop notifications when sessions complete. You'll see a notification saying "Work session complete! Time for a break" or "Break complete! Time to focus." Notifications work even when the tab isn't visible, so you can work in other applications. Audio alerts use the Web Audio API to generate simple tones—no external audio files are loaded, keeping the tool fast and privacy-focused. The timer also updates your browser tab title with the remaining time, so you can see the countdown at a glance when switching tabs. Combined with the circular SVG progress indicator, these features create a complete awareness system that keeps you on track without being intrusive.

Privacy and Local Storage

All timer functionality runs entirely in your browser using JavaScript. No data is sent to any server. Your settings (work/break durations) and daily statistics (pomodoros completed, focus time) are stored in localStorage—a built-in browser storage mechanism that persists data locally. This means your data never leaves your device, and the timer works completely offline once loaded. Statistics reset automatically at midnight each day, giving you a fresh start. You can manually reset stats anytime with the "Reset Today's Stats" button. The timer respects your privacy: no analytics on your work patterns, no tracking, no accounts required. It's a simple, effective tool that does one thing well: help you implement the Pomodoro Technique.

Frequently Asked Questions

What is the Pomodoro Technique?
The Pomodoro Technique is a time management method developed by Francesco Cirillo in the late 1980s. It uses a timer to break work into focused intervals (traditionally 25 minutes) called "pomodoros," separated by short breaks (5 minutes). After four pomodoros, you take a longer break (15 minutes). The technique helps maintain focus, prevent burnout, and improve productivity by creating structured work-rest cycles. It's named after the Italian word for tomato because Cirillo used a tomato-shaped kitchen timer as a student.
How do I use this Pomodoro Timer?
Click the "Start" button to begin a 25-minute work session. Focus on your task without distractions. When the timer completes, you'll receive a notification and audio alert. The timer automatically switches to a 5-minute break—use this time to rest, stretch, or grab a drink. After the break, start another work session. After completing four work sessions, the timer switches to a 15-minute long break. The session counter (dots) shows your progress through the cycle. You can pause or reset the timer anytime. Enable browser notifications for alerts when tabs aren't visible.
Can I customize the session durations?
Yes! Click the Settings panel to expand it. You can customize work duration (1-60 minutes), break duration (1-30 minutes), and long break duration (1-60 minutes). Click "Save Settings" to apply your changes. Your preferences are stored in your browser's localStorage and will persist across sessions. While the classic 25/5/15 timing is recommended, feel free to adjust based on your workflow. Some people prefer 50-minute sessions, others prefer 15-minute sprints. Experiment to find what works best for you.
How do notifications work?
This timer uses the browser Notification API to send desktop notifications when sessions complete. Click "Enable Notifications" in the Settings panel—your browser will ask for permission. Once enabled, you'll receive notifications even when the tab isn't visible, so you can work in other applications. Notifications show messages like "Work session complete! Time for a break" or "Break complete! Time to focus." Audio alerts use the Web Audio API to generate simple tones when sessions end. Both features help you stay aware of the timer without constantly watching it.
What are the daily statistics tracking?
The statistics panel tracks three metrics for today: (1) Pomodoros—the number of completed work sessions, (2) Focus Time—total time spent in work sessions (excluding breaks), and (3) Breaks Taken—the number of short and long breaks completed. Stats are stored in localStorage and reset automatically at midnight each day. This gives you a fresh start every morning and helps you track daily productivity. You can manually reset stats anytime with the "Reset Today's Stats" button. Over time, tracking pomodoros helps you estimate how long tasks take and measure your productivity.
Does the timer work when the browser tab is not visible?
Yes, the timer continues running even when the tab isn't visible or active. The browser tab title updates to show the remaining time (e.g., "12:34 - Work Session"), so you can see the countdown when switching tabs or looking at your taskbar. When a session completes, you'll receive a browser notification (if enabled) and hear an audio alert. This allows you to work in other applications—code editors, design tools, documents—while the timer runs in the background. The timer uses high-precision timing to stay accurate even when the tab is backgrounded.
Is my data private?
Yes, absolutely. All timer functionality runs entirely in your browser using JavaScript. No data is sent to any server. Your settings (work/break durations) and statistics (pomodoros completed, focus time) are stored locally in your browser's localStorage—a built-in storage mechanism that keeps data on your device only. The tool works completely offline once loaded. There's no tracking, no analytics on your work patterns, no accounts, no data collection. Your productivity data stays private and never leaves your device. You can verify this by checking your browser's network activity—no requests are made while the timer runs.
What happens after 4 pomodoros?
After completing four work sessions (pomodoros), the timer automatically switches to a longer break—15 minutes by default, customizable in settings. This long break is important for preventing mental fatigue and maintaining productivity throughout the day. Use it to step away from your workspace, take a walk, eat a snack, or do something unrelated to work. After the long break completes, the session counter resets to 1, and you begin a new cycle of four pomodoros. The visual session counter (four dots) shows your progress through the cycle, filling in as you complete each session.

Explore More Developer Tools

Check out our other free productivity and utility tools. Parse JSON, generate UUIDs, convert timestamps, and more.

Timestamp Converter →