Brown Noise Generator

Deep, smooth brown noise generated live in your browser. Mix with rain or waves and pair it with a Pomodoro timer for long focus sessions.

Focus25:00

Shortcuts: Space start/pause · R reset · F focus mode. The countdown shows in your tab title.

Timer settings

Tasks

    Click a task to make it current; finished focus sessions count toward it.

    Your focus stats

    0Pomodoros today
    0mFocus today
    0 daysStreak
    0hAll time

    Stored only on this device.

    Ambient sounds

    All sounds are synthesised live in your browser. Credits

    How it works

    Brown noise (also called red or Brownian noise) emphasises low frequencies, giving a deep, smooth rumble similar to a distant waterfall or heavy surf. Many people find it more relaxing than white noise for long reading and writing sessions.

    Press Play sounds to start. Blend in waves or rain for a more natural feel and pair it with the Pomodoro timer above.

    FAQ

    What is the difference between brown and white noise?

    White noise has equal energy at all frequencies and sounds hissy; brown noise rolls off high frequencies and sounds deep and soft.

    Is brown noise safe?

    At moderate volume, yes for most people. Avoid loud levels through headphones for long periods, and consult a professional if you have a hearing condition.

    More timers

    Pomodoro TimerFree online Pomodoro timer with rain, cafe, white and brown noise. Custom work and break lengths, tasks, notifications and daily focus stats.25 Minute TimerA 25-minute focus timer with automatic 5-minute breaks and a 15-minute long break after four rounds. Runs in your tab title with optional alarm.50/10 Study TimerWork for 50 minutes, rest for 10. A longer Pomodoro-style cycle for writing, coding and problem sets, with ambient sounds and stats.Study With Me TimerA calm study-with-me style session: 50/10 Pomodoro cycles with a cosy cafe and rain soundscape. Keep the tab open and study alongside the timer.White Noise for StudyingFree white, pink and brown noise generator for studying and focus, built into a Pomodoro timer. Mask distractions, set a sleep timer, no downloads.Exam CountdownAdd your exam dates and see a live countdown in days, hours, minutes and seconds. Saved privately in your browser, shown in the tab title.

    Guides

    The Pomodoro Technique: A Complete Beginner's GuideHow the Pomodoro Technique works, where it came from, how to handle interruptions and how to adapt it to your study or work.Deep Work for Students: How to Study With Real FocusA practical guide to scheduling, preparing for and protecting distraction-free study sessions as a student.25/5 vs 50/10: Choosing the Best Pomodoro IntervalCompare common Pomodoro interval patterns and run a simple experiment to find the one that fits your work.