JSON-LD Schema Validator
Catch JSON syntax errors before testing with Google Rich Results.
Validate JSON-LD schema markup syntax instantly. Free JSON-LD validator for @context, @type and balanced JSON.
Calculator Inputs
About JSON-LD Check
Catch JSON syntax errors before testing with Google Rich Results.
Syntax-validates embedded JSON-LD and flags non-schema.org contexts. Semantic validation still needs Google Rich Results Test.
Where it is used
Schema QA, pre-publish check.
How to use the JSON-LD Check
- JSON-LD Block — enter the value (e.g. {"@context":"https://schema.org","@type":"WebSite","name":"My Site"}).
- Calculate — press the Calculate button to see the result instantly above.
Formula
JSON.parse each ld+json block and check @context.
Examples
Example
jsonld:{"@context":"https://schema.org","@type":"WebSite","name":"My Site"}
Result: ✓ WebSite: schema.org context OK
Frequently Asked Questions
- Does this replace Rich Results Test?
- No — it only checks syntax/context, not eligibility.