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

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