News Article

CyberChef - the Cyber "Swiss Army Knife"

Last Updated: 06 Dec 2016
We have launched an intuitive web app for analysing and decoding data.

News article - 28 Nov 2016

GCHQ is today launching a simple, intuitive web app for analysing and decoding data without having to deal with complex tools or programming languages. CyberChef encourages both technical and non-technical people to explore data formats, encryption and compression.

Digital data comes in all shapes, sizes and formats in the modern world - CyberChef helps to make sense of this data all in one easy-to-use place.

The interface is designed with simplicity at its heart. Complex techniques are now as trivial as drag-and-drop. Simple functions can be combined to build up a "recipe", potentially resulting in complex analysis, which can be shared with other users and used with their input.

For those comfortable writing code, CyberChef is a quick and efficient way to prototype solutions to a problem which can then be scripted once proven to work.

It is expected that CyberChef will be useful for cybersecurity and antivirus companies alike. It should also appeal to the academic world and any individuals or companies involved in the analysis of digital data, be that software developers, analysts, mathematicians or casual puzzle solvers.

It is hoped that by releasing CyberChef through Github, contributions can be added which can be rolled out into future versions of the tool, and is an excellent example of GCHQ providing a platform on which to base cybersecurity operations.

To access CyberChef please go to
To access a demo of CyberChef please go to



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©GCHQ 2016