White Noise
Play white noise that helps with focus, sleep, and relaxation right in your browser. It generates white, pink, and brown noise in real time and lets you adjust the volume.
Mobile operating systems or power saving may stop background audio. Long playback uses battery; use a low volume to protect your hearing.
How to use
- Select one or more white, pink, or brown noises and adjust each volume.
- Save frequently used combinations as named mixes. The last settings are restored after reloading.
- Set an end time and fade-out length for a smooth stop.
- "Stop" only stops playback and keeps the selected mix.
Frequently asked questions
How do the three noises differ?
White has all frequencies even, pink has slightly stronger lows for a softer sound, and brown has the strongest lows, like waves or wind.
Does it download an audio file?
No. The browser generates the sound in real time, so there is no download or server transfer.
I can't hear any sound.
Check your device volume and silent mode. Some browsers require you to press a button to interact before sound turns on.
Practical example and verification criteria
White Noise: First distinguish whether you need calculation, recording, timing, audio, or a screen check, then set units, intervals, repetitions, volume, and storage options for the real environment. Locally saved data may exist only in the current browser and device and can disappear when browser data is cleared, private mode is used, or the device changes.
White Noise: For a quick check, start with volume 10% / 30 s as a small input whose result relationship you can verify directly. Confirm that the input summary, units, and options match your intent before applying the tool to real values or a copy of the source; this reduces setup mistakes.
White Noise: Before relying on a timer or alert, test sound, volume, screen lock, and background behavior over a short interval, and also register important schedules in an operating-system alarm. Reopen exported files to verify saved results. Audio and screen results depend on hearing, ambient light, and device settings and do not replace professional measurement or long-term storage.
White Noise · Work record: For real work, record the input conditions, selected options, and result together. Do not assume the same state will remain after a refresh or device change. Preserve important results separately using copy, download, a screenshot, or another method the page supports, then reopen them in the target environment.
White Noise · Error check: If an error or unexpected result appears, reduce the input, run again with default options, and then change one condition at a time. Recording error messages and boundary values helps distinguish format issues, unsupported cases, and browser resource limits, and prevents an empty result from being mistaken for success.
White Noise · Scope of use: Check the page guidance for browser processing versus server lookup, storage location, and supported scope. Use sensitive source material or secrets only when strictly necessary. High-impact work such as legal, financial, or medical decisions or changes to an operational system requires current authoritative information and a separate verification process.