JSON-LD Structured Data Validator
Check JSON-LD for syntax errors and missing key schema.org properties.
Developer
Build schema.org JSON-LD markup for articles, FAQs, products and more.
Only the five listed schema types are generated. Use values that genuinely describe your page — search engines can ignore or penalize markup that does not match visible content.
Good to know
Fill in the options and press “Generate JSON-LD”. Check the result, then copy or download it.
Choose a schema type, fill in its fields with your own real values, and copy the JSON-LD into a <script type="application/ld+json"> tag in your page head.
Only the five listed schema types are generated. Use values that genuinely describe your page — search engines can ignore or penalize markup that does not match visible content.
No. Everything is processed in your browser and nothing is sent to a server. No account is needed.