Siegfried JS

This web page will run the Siegfried format identification tool (v1.9.3) on any file you give to it. It runs entirely in your browser, via Go WebAssembly.

Choose a signature set:

Output:

There's a different version of this page that runs Fido instead of Siegfried.

You could also try dragging a file on to Siegfried's anvil!, which is similar web service that works by sending your file to server that runs Siegfried on it.