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Dev tools · November 29, 2016

CyberChef

Web app for encryption, encoding, data analysis and more

CyberChef launched on November 29, 2016 with 2 votes. The site was still online in September 2026, 9 years on.

What it does

CyberChef can be downloaded to run locally or hosted within your own network. It has no server-side component so all that is required is that the ZIP file is uncompressed and the files are accessible. As a user, it is worth noting that unofficial versions of CyberChef could have been modified to introduce Input and/or Recipe exfiltration. We recommend always using the official, open source, up-to-date version of CyberChef hosted at https://gchq.github.io/CyberChef if accessible. The Network tab in your browser's Developer console (F12) can be used to inspect the network requests made by a website. This can confirm that no data is uploaded when a CyberChef recipe is baked. The Operations…from gchq.github.io

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