CyberChef
Perform all manner of operations within a web browser such as AES, DES and Blowfish encryption and decryption, creating hexdumps, calculating hashes, and much more.
- Utilities
- JavaScript
- Apache-2.0
- Actively maintained
GitHub stats
- GitHub stars
- 36,029
- Forks
- 4,166
- Open issues
- 426
- Commits, last 12 months
- 340
- Last commit
- Oct 3, 2026
- Latest release
- v11.5.0Sep 18, 2026
- Created
- Nov 28, 2016
Data from the GitHub API, refreshed daily.
About CyberChef
Perform all manner of operations within a web browser such as AES, DES and Blowfish encryption and decryption, creating hexdumps, calculating hashes, and much more. CyberChef is open source under the Apache-2.0 license and written mainly in JavaScript, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 36,029 stars and 4,166 forks on GitHub, with 340 commits over the last year. It installs natively rather than through an official Docker image, so plan for a short manual setup.
Topics
- data-analysis
- data-manipulation
- encryption
- encoding
- compression
- parsing
- hashing
Repository preview
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What is CyberChef?
CyberChef is a free, open-source app you can host on your own server, listed in our Utilities category. Perform all manner of operations within a web browser such as AES, DES and Blowfish encryption and decryption, creating hexdumps, calculating hashes, and much more. The source code lives at github.com/gchq/CyberChef, where it has 36,029 stars.
Is CyberChef free and open source?
Yes. CyberChef is open-source software released under the Apache-2.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run CyberChef with Docker?
CyberChef does not list an official Docker image. It installs natively (Javascript), so follow the install steps in its README or look for a community-maintained container.
What are the best alternatives to CyberChef?
Popular open-source alternatives to CyberChef include Excalidraw, revealjs and penpot.
Is CyberChef actively maintained?
The most recent commit to CyberChef was on Oct 3, 2026 with 340 commits in the past twelve months. The latest release is v11.5.0, published Sep 18, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.