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Dev tools · April 10, 2026

Uykucu — Sleep Sounds

Uykucu — Sleep Sounds, White Noise & Relaxation

What it does

**Uykucu** lets you mix 100+ ambient sounds (rain, forest, café noise,white noise, brown noise...) directly in Chrome. Everything is ynthesized in real-time using the Web Audio API — meaning zero audio file downloads and it works completely offline.

Does the same job

all alternatives →
  • Dark Noise2019 · ▲131

    Powerful way to play ambient noise to help you sleep

  • hum2024 · ▲117

    White noise for sleeping, studying, relaxing, babies

  • Sleep Sounds on Alexa & Google Assistant2017 · ▲99

    Beautiful ambient sounds to help you sleep, relax, or focus.

  • White Noise2014 · ▲94

    App that plays sounds that'll help you relax & sleep

  • Cosleep2017 · ▲73

    White noise, Asmr and sleep relaxing sounds

  • Sleep Sounds, White NoiseJul 2026 · play.google.com · ▲4

    Sleep Sounds, White Noise

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