White Noise Generator – Sleep & Focus Sounds

White Noise Generator — Sleep & Focus Sounds

Drift off or tune out distractions with this free white noise generator. Choose from white, pink, or brown noise — plus fan and rain presets — all synthesized live in your browser with the Web Audio API, no audio files and no sign-up. Set a volume, start the sound, and optionally let a sleep timer fade it out. Everything runs in your browser, nothing is uploaded anywhere.

Select a sound and press Play

Sounds are generated live in your browser — no audio files, no streaming, no uploads.

Popular sleep & focus sounds

  • White noise — masks sudden sounds, great for office focus and baby naps
  • Pink noise — softer and deeper, a favorite for falling asleep
  • Brown noise — deep rumble, popular for studying and tinnitus masking
  • Fan and rain presets — the two most requested sleep sounds in one place

More free tools are on the way — suggest a tool you'd like to see next.

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