Open Mixer
Brown Noise for Sleep & Focus
Deep, rumbling brown noise. Warmer and more soothing than white noise. Popular for sleep and deep focus.
Open Sound Mixer →
Free. No sign-up. Runs in your browser.
Brown Noise for Sleep & Focus
Deep, rumbling brown noise. Warmer and more soothing than white noise. Popular for sleep and deep focus. CalmLoop generates all sounds in your browser using the Web Audio API. No downloads, no tracking, no sign-up required.