aws sigv4 signer — 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 · aws-sigv4-signer

// 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.

sign http requests · sigv4 · aws · runs locally

[credentials]

credentials are processed entirely in your browser — never sent to any server

access key idsecret access keysession token (optional)

[request]

region

service

http method

urlrequest body (leave empty for GET)extra headers (Key: Value — one per line)

[sign]

[status]

>ready