Pomodoro Focus & Study Timer
Boost deep work concentration with customizable 25/5 Pomodoro sprints, 52/17 DeskTime cycles, and 90-minute Ultradian blocks—complete with task tracking and Web Audio chimes.
⚡ Deep Work & Study Flow Presets (Click Any Card to Load)
Active Ratio: 25/5/15Pomodoro & Deep Work Timeboxing Cheat Sheet
Standard work-to-rest intervals, daily Pomodoro targets, and cognitive recovery benchmarks.
Popular Productivity Templates
Click any workflow template below to configure the timer:
How the Pomodoro Technique & Ultradian Cycles Maximize Focus
Eliminating Attention Residue
Created by Francesco Cirillo in the late 1980s, the Pomodoro Technique dedicates 25 uninterrupted minutes to a single task. Committing to one sprint eliminates multitasking and attention residue.
Why 5-Minute & 15-Minute Breaks Matter
Short 5-minute breaks after each sprint prevent prefrontal cortex fatigue and allow memory consolidation. After 4 consecutive Pomodoros (100 minutes of focus), a 15-to-30-minute break restores full cognitive stamina.
Choosing 25/5 vs. 50/10 vs. 90/20
Use 25/5 when overcoming procrastination or studying dense material; switch to 50/10 or 90/20 for complex programming, writing, or design where entering deep flow takes 15 minutes.
Frequently Asked Questions — Pomodoro Focus Timer
What are the 5 steps of the classic Pomodoro Technique?
1) Choose a single task to focus on. 2) Set the Pomodoro timer for 25 minutes. 3) Work on the task without distractions until the chime rings. 4) Take a 5-minute short break. 5) Every 4 Pomodoros, take a longer 15-to-30-minute recharge break.
Can I customize the focus and break durations?
Yes! You can type any custom minute values for Focus, Short Break, and Long Break in Step 2, or click our 1-click ratio presets (25/5, 50/10, 52/17, or 90/20).
Does the Pomodoro timer keep running if I switch to another browser tab?
Yes! Our timer calculates remaining seconds against your system's monotonic clock (performance.now), so working in another tab, IDE, or document window never causes the countdown to lag.
How many Pomodoros should I aim for in a day?
Most knowledge workers and students achieve peak sustainable output at 8 to 12 Pomodoros per day (roughly 3.5 to 5 hours of pure, uninterrupted deep work).