Noise Generator
Generate white, pink, or brown noise to help you focus, relax, or fall asleep. Runs entirely in your browser — no ads, no distractions.
1/f² noise — deep, rumbling tone like rain or a waterfall. Very popular for deep focus.
Click to play Brown Noise
Uses the Web Audio API. Audio is generated in your browser — nothing is downloaded or streamed.
- 100% free — no account needed
- Runs in your browser
- Nothing is uploaded
Frequently asked questions
Is Noise Generator really free?
Yes. Noise Generator is completely free on PureBrowser — every feature, with no account, no trial, and no credit card.
Does Noise Generator upload my data?
No. Noise Generator runs entirely inside your browser, so anything you type, paste, or open stays on your own device.
Do I need to sign up or install anything?
Neither. There is no account and nothing to download — open the page and Noise Generator is ready to use on desktop or mobile.
Does Noise Generator work offline?
Once the page has loaded, yes. All of the processing happens locally in your browser, so it keeps working without a connection.
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