Free Schema Validator
Test JSON-LD & Rich Results Eligibility
You added schema markup but is it actually correct? Paste any URL or JSON-LD code and know instantly whether your structured data is valid, error-free, and eligible for Google rich results and AI Overview citations.
Validate Your Schema Markup Free
Paste your page URL or raw JSON-LD code below. We’ll extract, parse, and validate your structured data flagging every error, warning, and missing field that could be blocking your rich results.
Free Schema Validator Tool for Structured Data Testing
Validate JSON‑LD from code, URL, or HTML source. Get rich results eligibility, missing properties, and full schema preview.
Valid schema helps search engines understand your content better and can improve rich results like star ratings, FAQs, breadcrumbs.
Well‑structured data boosts visibility and click‑through rates.
Validated against the latest schema.org standards (May 23, 2026 version).
What Is a Schema Validator and Why Adding Schema Without Validating It Is a Wasted Effort?
Adding schema markup to your website is one of the smartest SEO moves you can make in 2026. But there’s a step most people skip entirely and it quietly makes all that effort worthless. That step is validation.
Schema markup is code. And like all code, it can have errors a missing required field, a wrong property name, an incorrect data type, a formatting mistake in the JSON structure. These errors are completely invisible to a human reading the page. But Google sees them immediately. An invalid schema is treated as no schema at all your page gets zero rich result eligibility, zero structured data signals, and zero benefit from all the work you put in.
A schema validator is the tool that tells you whether your JSON-LD is actually correct before you find out the hard way that your FAQ schema never triggered a rich result, or your Product schema never showed star ratings, because of a single missing property that took Google seconds to reject and would take you weeks to discover on your own.
In 2026, with Google AI Mode and AI Overviews relying on structured data to identify and cite authoritative content, invalid schema doesn’t just cost you rich results it costs you AI search visibility too. Generative Engine Optimization (GEO) requires that your structured data is not just present but correct, complete, and properly formatted. Our validator checks all of it in one click.
The best workflow: generate schema with our Schema Markup Generator, then validate it instantly here before you paste it into your website. Two tools, two minutes, zero errors.
Valid Schema
No errors, all required fields present your page is eligible for rich results and AI citations.
Warnings Found
Schema is technically valid but missing recommended fields that improve rich result display quality.
Errors Detected
Required fields missing or incorrect Google will ignore this schema entirely. Fix before publishing.
No Schema Found
No structured data detected on this page a major missed opportunity for rich results and AI visibility.
JSON-LD Syntax Validation
We parse your JSON-LD structure completely checking for syntax errors, malformed properties, incorrect nesting, and missing required fields that would cause Google to reject your schema.
Rich Results Eligibility Check
Different schema types require different fields to qualify for rich results. We check your schema against Google’s current rich result requirements and tell you exactly what’s missing.
AI Overview Compatibility
Google AI Mode uses structured data as a primary signal for content comprehension. We verify your schema sends the right signals for AI search citation eligibility in 2026.
URL or Code Input
Validate by pasting a live URL we extract the schema automatically or paste your raw JSON-LD code directly for instant pre-publish checking before it goes live.
If your schema has errors, regenerate it cleanly with our Schema Markup Generator. And make sure your page titles and meta descriptions are equally optimized by using our Meta Tag Generator valid schema and strong meta tags together are one of the most powerful on-page SEO combinations available.