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.
Actively maintained with regular releases.
Commit activity more than 52% of tracked projects; popularity more than 93%. How this is calculated.
Commits, last 11 months
| Stars | 36k |
|---|---|
| Latest release | v11.5.0 · 18 Sept 2026 |
| Repo updated | 26 Sept 2026 |
| Licence | Apache-2.0 |
| Built with | Javascript |
Is CyberChef actively maintained?
Over the last 11 months the project absorbed 295 commits, of which 133 arrived in the most recent quarter — roughly 44 commits a month.
The most recent tagged release, v11.5.0, shipped within the last month — a current, installable version exists today.
Of the 77 projects we track in Miscellaneous, CyberChef ranks #11 by health score — in the top quarter of its category.
What CyberChef actually does
CyberChef is a browser-based utility designed to perform data transformation tasks such as encryption, decryption, hashing, and encoding. It provides a web interface where you can chain different operations together to process text and binary data entirely on the client side.
Best fit: Developers, sysadmins, and security analysts who frequently need to decode payloads, inspect hashes, or convert data formats without relying on external online services.
Worth knowing: Because it processes data entirely within the browser client, heavy operations on very large files can consume significant memory and potentially freeze your browser tab.
Deployment notes
As a purely static Javascript application, it typically requires only a basic web server to serve the static files and a reverse proxy to handle TLS termination.
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