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CyberChefstring.is
Free

The open-source application is available without a license fee.

 Free

Free to use and open source under the AGPL-3.0 licence.

Web, Self-hosted Web, Self-hosted
  • Combine many data operations into repeatable recipes
  • Detects the input format and suggests output options
  • Sets no cookies and uses a strict Content Security Policy
  • Complex recipes require understanding the transformations involved.
  • Internet Explorer is not supported
  • Limited to the formats its converters cover
Web application, Self-hosted Web application, Self-hosted
Open source Open source
License: Apache-2.0 License: AGPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked October 2, 2026

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