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White Noise Black Screen

Crisp, full-spectrum static. Mask sudden sounds.

Press F for fullscreen

Press play to begin

Controls
Volume55%
Sleep timer

Audio is synthesized live in your browser. No downloads, no looping seams. Press F for fullscreen, C to hide controls.

About White Noise Black Screen

White noise plays every audible frequency at equal intensity. That flat spectrum is what makes it so good at masking sudden sounds: a door slam, a barking dog, or a snoring partner all get buried under a uniform hiss. Pair it with a true-black fullscreen page on an OLED display and you have the classic sleep-and-study setup. Our white noise is generated live in your browser via the Web Audio API, so it loops seamlessly with no audible seam and never buffers. A volume slider and a sleep timer live in the controls panel.

White Noise for Sleep and Focus

White noise black screen combines crisp full-spectrum static audio with a dark display. The audio masks distracting sounds by filling the frequency spectrum uniformly, making sudden noises less jarring. The black screen eliminates light pollution that disrupts melatonin production. Together they create an optimal sleep environment. White noise is especially effective for urban environments with traffic, neighbors, or HVAC systems. The steady sound helps babies sleep, adults focus, and anyone block unpredictable noise.

How White Noise Masks Distractions

White noise contains all audible frequencies at equal intensity, creating a sonic blanket that reduces the contrast between background and sudden sounds. When a door slams or a car passes, the noise doesn't disappear but becomes less noticeable relative to the constant white noise floor. This acoustic masking effect is why white noise machines are standard in therapy offices, open-plan workplaces, and bedrooms. The black screen version adds visual isolation, making it ideal for naps, meditation, or blocking screen time before bed.

Best Practices for White Noise Use

Keep volume at 50-60 decibels—loud enough to mask but not so loud it causes hearing fatigue. Position the device 3-6 feet from your head for even sound distribution. Use the black screen mode on tablets or secondary monitors to avoid blue light exposure. Many users find white noise most effective when started 15-20 minutes before sleep, allowing the brain to habituate. For focus work, lower volumes provide masking without becoming distracting themselves. Experiment with duration—some prefer continuous playback while others use timers.

How to use it

  1. 01

    Press play

    Audio starts on your gesture (browsers require this). The page goes fully black on OLED.

  2. 02

    Set volume

    Aim for the lowest level that masks the sound you're trying to drown out. Louder is not better for sleep.

  3. 03

    Optional sleep timer

    Pick 15, 30, 60, or 120 minutes and the audio fades out at the mark.

Frequently asked

The shortest path between you and the answer.

Is white noise bad for your hearing?

At reasonable volumes (under ~70 dB), no. The risk is volume, not the color of the noise. Keep it quiet enough to talk over.

White vs pink vs brown noise?

White is the brightest (equal energy at every frequency). Pink rolls off the highs, sounding softer. Brown is the deepest, like distant thunder. Most people find pink or brown easier to sleep to.

Is this tool free?

Yes. Every ScreenTools.co tool is free, with no account, no paywall, and no install.

Does it work on mobile?

Yes. Layouts adapt to phone and tablet screens. Mobile Safari restricts true fullscreen, but the page fills the viewport and you can add the page to your Home Screen for an app-like experience.

Does it work offline?

Once a tool's page has loaded once, the runtime is local. A few tools that fetch fonts or icons need the first hit online; after that, refresh works offline.

Does this collect my data?

No personal data leaves your browser. The site has lightweight, privacy-respecting analytics for aggregate counts (which tool was opened) and nothing else.

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