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Dev Toolbox vs CyberChef: catalog facts
Dev Toolbox	CyberChef
Free Free and open source under the GPL-3.0-or-later licence.	Free The open-source application is available without a license fee.
Linux	Web, Self-hosted
Many small developer tools in one app Works locally instead of pasting data into websites	Combine many data operations into repeatable recipes
Linux only Covers quick tasks rather than full workflows	Complex recipes require understanding the transformations involved.
Downloadable app	Web application, Self-hosted
Open source	Open source
License: GPL-3.0-or-later	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 October 1, 2026	Official website Full listing and sources Checked September 22, 2026

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