gchq.github.io/CyberChef

gchq.github.io/CyberChef

CyberChef is "the Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis" - entirely client-side JavaScript with dozens of useful tools for working with different formats and encodings.

It's maintained and released by GCHQ - the UK government's signals intelligence security agency.

I didn't know GCHQ had a presence on GitHub, and I find the URL to this tool absolutely delightful. They first released it back in 2016 and it has over 3,700 …

agency analysis app client compression cyber data data analysis encoding encryption gchq github government intelligence javascript opensource security tools uk government web