JSON Schema Lint is a JSON schema validator to help you write and test JSON Schemas that conform with various specification versions.

The author/maintainer is Nick Maynard. Fork this project on Github.


  • Github Gists for saving schemas/documents
  • Gary Court's JSV for validating draft-01, draft-02, draft-03
  • Evgeny Poberezkin's Ajv for validating draft-04, v5-unofficial (partial)
  • Jérémy Fairve's yaml.js