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CyberChef vs sttr: catalog facts
CyberChef	sttr
Free The open-source application is available without a license fee.	Free Free and open source under the MIT licence.
Web, Self-hosted	Windows, macOS, Linux, Command line
Combine many data operations into repeatable recipes	Many encodings, hashes and text conversions in one tool Processors can be chained
Complex recipes require understanding the transformations involved.	Operates on text only Long list of operations to browse
Web application, Self-hosted	Downloadable app
Open source	Open source
License: Apache-2.0	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.