binary pattern search — 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 · binary-pattern-search

// origin · —

// user agent · —

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

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NET · no outbound requests · all processing local

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

wildcard hex pattern search in rom and binary files · ?? wildcard · 6502 sequences · ascii text · 2000 match limit · csv export · runs locally

[drop file]

drop any binary / rom file

.nes .sfc .gb .gba .bin .rom or any binary

Select file

[pattern]

5 bytes2 fixed3 wildcards

quick examples: