Compare software

JSONLint vs IT Tools: catalog facts
JSONLint	IT Tools
Free The website is free to use.	Free Free and open source.
Web	Web, Self-hosted
Validates and pretty-prints in one step Accepts pasted JSON or a URL	Bundles many small everyday dev utilities in one consistent interface Can be self-hosted for privacy or offline use
Syntax checking only on the website, no schema validation The related CLI package has not been updated since 2022	Individual tools are simple and may not match dedicated single-purpose apps in depth Self-hosting requires running your own instance
Web application	Web application, Self-hosted
Closed source	Open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Needs internet	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.