GCHQ calls it as Cyber Swiss Army Knife. It has simple interface with a drag-and-drop feature to allow both technical and non-technical people to analyze encryption, compression and decompression, and data formats.  

This tool will be useful for anyone involved in data analysis, including mathematicians, analysts, software developers. GCHQ shared that tool is not 100 % ready & has invited developers to contribute as much as possible.

CyberChef is a simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. These operations include simple encoding like XOR or Base64, more complex encryption like AES, DES and Blowfish, creating binary and hexdumps, compression and decompression of data, calculating hashes and checksums, IPv6 and X.509 parsing, changing character encodings, and much more.




The tool is designed to enable both technical and non-technical analysts to manipulate data in complex ways without having to deal with complex tools or algorithms. It was conceived, designed, built and incrementally improved by an analyst in their 10% innovation time over several years. Every effort has been made to structure the code in a readable and extendable format, however it should be noted that the analyst is not a professional developer.


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