What is CyberChef used for?

CyberChef is GCHQ's browser-based data transformation workbench for building repeatable recipes from encoding, compression, hashing, encryption, extraction, and analysis operations. Chaining operations makes it useful for decoding layered payloads, normalizing incident data, converting formats, and documenting a transformation that would otherwise become a throwaway script.

This page embeds the official hosted CyberChef build in an iframe, so the complete upstream operation catalogue runs client-side and stays current without entering this site's servers. The embedded application is still a separate origin; review any recipe before applying cryptographic operations and avoid assuming transformed or decoded data is safe.