sound, not files

White Noise

Brown, pink and rain-like noise — not recordings, but sound computed live by your browser. No loop seams, nothing to download, quiet that works offline. Set it going, put the phone down, and let the room change texture.

presets
motion
auto-off

sound keeps playing while you switch tabs

55

how to

Two controls, endless quiet

step 1

Pick a colour of quiet

Brown is deepest — waterfall-distance. Pink sits in the middle, like steady rain on a roof. White is the bright full-spectrum hiss. "Rain" adds a filtered, shower-like softness to pink.

step 2

Press play, set the level, leave it

Start around the midpoint of the volume slider — quieter than feels necessary is usually right. The sound keeps going while you switch tabs, and survives offline once the page has loaded.

why it works

Masking, not magic

Noise helps not by adding calm but by subtracting interruptions. A sudden door slam wakes you because it stands out against silence; the same slam against a floor of steady noise barely registers. This is masking — raising the baseline so spikes have less to stand on.

The colours matter because your ear is not a flat instrument. Pink noise matches the ear's own weighting — equal energy per octave — which is why rainfall, wind and heartbeats all lean pink. Brown noise pushes energy further down, where it rumbles instead of hisses; many people find it easiest to sleep beneath.

A sensible test: three nights per colour, note the mornings. Your ears will out-vote any study.

And because the sound here is synthesised live, it never loops. A recording repeats every few seconds and the ear eventually catches the seam; computed noise is unique in every moment — the way real rain is.

questions

Five honest answers

What's the difference between white, pink and brown?
White carries equal energy at every frequency — bright static. Pink puts equal energy in each octave — softer, like steady rain. Brown is deeper still, like distant waterfall or low wind. The deeper the colour, the more low-frequency weight.
Why synthesise instead of using an audio file?
The sound is computed from a few lines of math — nothing to download, no loop seam, and it works fully offline. A recording repeats; synthesis never does.
Is brown noise good for sleep?
Deeper noise often masks disruptions better — snoring, traffic. Research on pink noise and deep sleep looks promising. The honest answer: try each colour for a few nights and keep what helps.
Can I leave it on all night?
Yes — keep the tab open (or install the site). Set the volume below the midpoint for overnight use; loud masking defeats its own purpose.
Does it work offline?
Once loaded, yes — the noise is generated locally. Install the site to your home screen and the quiet follows you, signal or none.
Which sound masks which nuisance?
Match the pitch of the nuisance, then raise a floor under it. High-frequency interruptions (voices, keyboards) sit under pink or white; low rumbles (traffic, HVAC) sit under brown; sudden spikes (doors, dogs) lose their edge against any steady floor — the deeper the floor, the fewer the surprises. Layering two tracks, one deep and one light, covers both ends.
keep resting Next stops on your map
variant

Meditation Timer

The other sound on this site — bells instead of rain. Sound as a boundary for silence.

ring the bell go deeper

Brain Dump

A rainy evening and a page to pour onto — noise for the room, emptying for the mind.

pour it out pair it

4-7-8 Breathing

Rain underneath, breath on top — the wind-down stack for nights that need both.

stack the calm