Structured Data Validator

Validate JSON-LD schema markup, normalize pasted script tags, and surface repair hints before launch.

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Quick samples

Schema input

Paste raw JSON-LD or rendered HTML script tags to validate schema markup server-side.

Accepts raw JSON-LD objects, arrays, @graph payloads, or pasted application/ld+json script tags.

Strict mode

Flag missing recommended fields for common schema types.

Paste a schema payload or load a quick sample to review JSON-LD checks and normalized output.