piano keyboard — free browser tool | fatcousin | fatcousin

tools→browse every utility in one place.manifesto→why fatcousin exists — local-first, no uploads.

ready

local

// fatcousin · local process monitor

00:00:00

// session started —

// tool · piano-keyboard

// origin · —

// user agent · —

// verdict · files processed locally · verify by watching NET events below

▮

NET · no outbound requests · all processing local

this panel shows everything. if something looks wrong, it is wrong. that's the contract.

web audio synthesis · 13 keys · keyboard shortcuts · runs locally

[sound]

[controls]

octave

4

volume

50%

sustain

[keyboard]

C3

D3

E3

F3

G3

A3

B3

C4A

D4S

E4D

F4F

G4G

A4H

B4J

W

E

T

Y

U

keyboard: A W S E D F T G Y H U J K · space = sustain

[status]

>ready