before / after compare — 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 · before-after-compare

// 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.

before. after. the difference.

[files]

[A] before · original

drop original audio

mono / stereo · capped at 180s · processing local

Select file

[B] after · processed

drop processed audio

must share sample rate with the before file

Select file

drop both an original and a processed audio file to start comparing.

>ready