01 · Validator
Schema validator.
Paste any JSON-LD block — a whole graph, a single node, an array of nodes — and see the schema.org types we recognise, the required fields each type expects, and the errors stopping a rich result from firing. Nothing leaves your browser.
Result
Paste a JSON-LD block on the left and press Validate. The result lands here — including the schema.org types we recognise and the fields Google's rich-result rules expect.