Noise Generator

Play white, pink, brown and more noise colors, free. Download up to 60 minutes.
Your browser. Nothing uploaded.

Pink noise selected

Export

Uses the color and sliders above. Long WAVs are big (60 min is about 600 MB). MP3 is much smaller.

The noise colors

Slope = how loudness changes each time the pitch doubles. Black noise is mostly silence, so it is not in the player.

Questions

Is this noise generator free?

Yes, 100% free. No sign up, no ads in the sound and no limits.

Does anything get uploaded?

Nothing gets uploaded. The noise is made on your own device, right in your browser.

What is the difference between white, pink and brown noise?

White noise has equal energy at every pitch and sounds like TV static. Pink noise is softer, like steady rain. Brown noise is deep and rumbly, like a waterfall or plane cabin.

Which noise is best for sleep?

Many people like brown or pink noise for sleep because they are deeper and less hissy than white noise. Try each one and see what relaxes you most.

Which noise is best for focus and studying?

Brown noise is very popular for focus and ADHD, and pink noise is a common choice too. White noise is best for blocking out talking.

Can I download the noise?

Yes. Pick a length (1, 5, 10, 30 or 60 minutes) and click Export MP3 or Export WAV. It uses your current color and slider settings.

What do the sliders do?

Bass and Treble change the tone, Low cut and High cut remove very low or very high sounds, and Waves adds a slow ocean-like swell.

What are green, grey, blue and violet noise?

Green noise sits in the middle, like nature sounds. Grey noise is tuned to sound even to human ears. Blue and violet noise are bright and hissy.

Does it loop without gaps?

Yes. The noise loops smoothly for as long as you let it play.

Does it work on my phone?

Yes. It works on iPhone and Android. Keep the page open while it plays, or download an MP3 to play from your music app.

Learn more about noise colors

Free white noise, pink noise and brown noise generator

This free noise generator plays seven noise colors right in your browser: white, pink, brown, grey, green, blue and violet. Shape the sound with simple sliders and download it as an MP3 or WAV.

How to use the noise generator

  1. Pick a noise color.
  2. Press Play and set the Volume.
  3. Shape it with Bass, Treble, Low cut, High cut and Waves.
  4. To download, pick a length and click Export MP3 or Export WAV.

Brown noise for sleep and focus

Brown noise is a deep, soft rumble with most of its energy in the bass. Many people use brown noise for sleep, studying, focus and ADHD because it covers background sounds without being harsh.

White noise for babies and blocking sound

White noise has equal energy at every pitch, which makes it great at covering talking, traffic and other noises. Parents often use white noise to help babies sleep. Keep the volume low and the device away from the crib.

Pink noise for sleep and relaxing

Pink noise sounds like steady rain. It is softer than white noise and balanced across all octaves, which many people find calming.

Download white noise or brown noise as an MP3

Want to play it offline? Download 1 to 60 minutes of noise as an MP3 and loop it in any music app.

We hope you enjoy using our free Noise Generator tool! Consider donating to keep the site running here: Donate

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