White Noise Generator
Pure white noise for sleep, focus, or blocking out distractions. Also available: pink noise and brown noise for a deeper, warmer sound.
Free. No sign-up. Runs in your browser.
About White Noise Generator
Pure white noise for sleep, focus, or blocking out distractions. Also available: pink noise and brown noise for a deeper, warmer sound. CalmLoop generates all sounds in your browser using the Web Audio API — no downloads, no tracking, no sign-up required.
How to Use
Click "Open Mixer" to launch the full sound mixer. Toggle individual sounds on and off, adjust their volume, and create your perfect mix. Set a timer to auto-stop after 15, 30, 60, or 120 minutes — perfect for falling asleep.
Why Ambient Sounds Help
Research shows that consistent background noise can mask distracting sounds, reduce anxiety, and improve focus. White and brown noise in particular have been shown to improve sleep quality and cognitive performance in multiple studies.