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JSON Schema CLI vs JSON Schema Validator: catalog facts
JSON Schema CLI	JSON Schema Validator
Free Free and open source under the AGPL-3.0.	Free Free to use in the browser.
Windows, Command line	Web
Formatting, linting, testing and bundling in one tool Works both locally and in CI/CD pipelines	Supports JSON Schema drafts from 3 through 2020-12 Instant side-by-side schema and input editing
Command-line only, with no graphical interface AGPL license may matter for some redistribution cases	Validation is done on the server, so the data leaves your machine Only validates; no schema generation or formatting
Downloadable app	Web application
Open source	Closed source
License: AGPL-3.0	License not stated
No account needed	No account needed
Works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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