How it works
- Turn on brown noise or click Play.
- Set a comfortable volume.
- Use the timer if you want automatic stop.
Local brown noise
Brown Noise Generator Online
Generate brown noise locally in your browser for focus, reading, coding or light relaxation, with explicit play controls and no autoplay.
Web Audio
Brown noise
Ambient loops use credited licensed files loaded on demand; white, pink and brown noise are generated in this browser.
Presets
Soft rain
OffRain on window
OffDistant thunderstorm
OffGentle ocean
OffMorning forest
OffSmall creek
OffWind in trees
OffSoft fan
OffSoft fireplace
OffLow cafe ambience
OffSoft keyboard
OffQuiet library
OffNight crickets
OffCity rain
OffDistant train
OffLow rain room
OffWhite noise
OffPink noise
OffBrown noise
OffAdvanced session settings
Sleep timer
Session
Saved mixes
No saved mixes yet.
Deeper sound
Brown noise sounds lower and softer than white noise for many listeners.
Generated locally
The browser generates the noise with Web Audio API instead of streaming an audio file.
Timer and focus mode
Use simple controls for longer focus sessions without account signup.
Common use cases
- Deep focus.
- Reading.
- Coding.
- Masking sharper background sounds.
- Light relaxation.
Limitations
- This is not medical advice or sleep treatment.
- High volume for long sessions can be uncomfortable.
- Background playback depends on the browser.
Frequently asked questions
Is brown noise streamed?
No. It is generated locally in the browser.
How is it different from white noise?
Brown noise is usually deeper, while white noise is brighter and more even across frequencies.
Does it autoplay?
No. It starts only after a user action.
Can I use it for sleep?
Use a comfortable volume; it does not replace medical guidance.
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