ToolToUse

Website / SEO Tools

JSON-LD Structured Data Validator

Check JSON-LD for syntax errors and missing key schema.org properties.

Not an official Google tool — confirm with Google's Rich Results Test.

Website / SEO Tools

JSON-LD Structured Data Validator

Local only
Everything stays in your browser

Your text is processed on your device — nothing is uploaded to a server.

How it works

Parses each ld+json block, walks @graph and nested objects, and checks commonly required properties for 23 types (Article, Product, FAQPage, Event, Recipe…) and ISO dates. Not an official Google tool — confirm with Google's Rich Results Test.

Good to know

Frequently asked questions

How do I use it?

Enter your json-ld or page html and press “Validate”. Check the result, then copy or download it.

How does it work?

Parses each ld+json block, walks @graph and nested objects, and checks commonly required properties for 23 types (Article, Product, FAQPage, Event, Recipe…) and ISO dates.

Are there limitations?

Not an official Google tool — confirm with Google's Rich Results Test.

Is my data uploaded?

No. Everything is processed in your browser and nothing is sent to a server. No account is needed.

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