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Pomodoro Timer

A free online Pomodoro timer to boost your focus and productivity. Work in timed intervals with short breaks to stay sharp.

25:00
Focus
0
Completed Sessions

Timer Settings (minutes)

What Is the Pomodoro Technique?

  1. Pick the mode you want to start with — Focus, Short Break, or Long Break — using the mode tabs
  2. Click "Start" to begin the countdown; the display counts down in minutes and seconds
  3. Click "Pause" at any time to stop the countdown without losing your remaining time
  4. Click "Reset" to restore the timer to the full duration for the current mode
  5. When the countdown reaches zero, a notification sound plays and, if you were in Focus mode, your completed session count increases by one
  6. Adjust the Focus, Short Break, and Long Break durations in the Timer Settings panel to fit your own routine

Formula & How It Works

Pomodoro timing structure

Focus (25 min) → Short Break (5 min) → repeat 4x → Long Break (15 min)

The classic technique alternates focused work blocks with short breaks, then inserts a longer break after every four completed focus sessions to prevent burnout. This tool defaults to those durations but lets you customize each one.

Countdown display

displayTime = floor(timeLeft ÷ 60) : (timeLeft mod 60)

The remaining seconds for the active mode are converted into a minutes:seconds display, updating once per second while the timer is running.

Session tracking

completedSessions += 1 when a Focus countdown reaches 0

Only completed Focus intervals are counted as finished Pomodoro sessions — break timers reaching zero do not increment the counter.

Practical Examples & Common Use Cases

A single focus block

Set Focus to 25 minutes, click Start, and work on one task (like writing a report) until the timer hits 00:00 and plays a chime. Your completed session count goes from 0 to 1.

A full four-session cycle

Complete four 25-minute Focus sessions, each followed by a 5-minute Short Break. After the fourth Focus session, switch to Long Break mode and take a 15-minute rest before starting the next cycle.

Customizing for deep work

If 25 minutes feels too short for deep coding work, change the Focus setting to 50 minutes and Short Break to 10 minutes in the settings panel — the timer instantly adopts the new durations the next time you reset or switch modes.

Frequently Asked Questions

The 25-minute work period was chosen by the technique's creator as an optimal balance between focus and sustainability. However, you can customize the duration in the settings above.

Most practitioners aim for 8-12 Pomodoros per day (about 4-6 hours of focused work). Quality of focus matters more than quantity.

Step away from your screen. Stretch, walk around, get water, or rest your eyes. Avoid checking email or social media during short breaks to let your mind truly rest.

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