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White Noise Generator

Generate white, pink, and brown noise online for focus, sleep, masking, or audio testing. No download, runs in your browser.

White noise

下载为音频文件

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White Noise Generator

Generate three types of randomized noise directly in your browser using the Web Audio API:

  • White noise — equal power across all frequencies (the harsh hiss sound)
  • Pink noise — power decreases by 3 dB per octave (warmer, like rain)
  • Brown noise — power decreases by 6 dB per octave (deep, like ocean)

Use cases

  • Focus and concentration during deep work
  • Sleep and relaxation aid
  • Sound masking in noisy environments
  • Tinnitus relief
  • Audio equipment testing
  • Baby sleep aid (brown noise)

No download or app required — start the noise instantly.