The GCHQ has released the code of a new open source web tool dubbed CyberChef, specifically designed for analyzing and decoding data. The tool could be used to manipulate different types of data, decode Base64 strings, convert data from a hexdump and perform many other operations. GCHQ released the source code of the tool on GitHub alongside with a demo. The agency is inviting the community of developers to contribute to the improvement of the web tool, which runs in Chrome and Firefox, the Agency expects to execute it also in Microsoft Edge.”]
Source: https://securityaffairs.co/wordpress/53908/intelligence/gchq-cyberchef.html