Free JSON-LD Schema & Rich Results Validator

Test and parse your JSON-LD code for free against schema.org guidelines to catch missing required fields and markup syntax errors.
JSON-LD / HTML

Also Test With

Google Rich Results Test and Schema Markup Validator for a definitive, provider-specific check.

Need to build markup from scratch?
Open Generator

Errors
Warnings
Schemas
Detected Entity Types:
G

Simulated preview. Actual rich result appearance is determined by Google at render time.

How to Use the Structured Data Validator

Paste your JSON-LD and instantly see what's missing for rich results.

1. Paste Your Markup

Paste raw JSON-LD or a full <script type="application/ld+json"> tag straight from your page source.

2. Review Diagnostics

Instantly see JSON syntax errors plus missing required and recommended fields for each detected type.

3. Fix & Re-Check

Use Auto-Fix to patch missing fields, or edit manually, then confirm your markup is rich-result eligible.

Frequently Asked Questions

It checks that your pasted JSON-LD is valid JSON, detects the Schema.org @type(s) present, and flags required and recommended fields that are missing for common rich-result types like Article, Product, FAQPage, and LocalBusiness.
This tool runs entirely in your browser and checks structure against common field requirements instantly, without sending your markup anywhere. For a definitive, Google-specific eligibility check, also test with Google's official Rich Results Test.
Yes. You can paste just the JSON object, or the full tag. The tool extracts the JSON automatically either way.
The tool covers the most common rich-result types. If your @type isn't in that list, it will confirm the JSON itself is valid but won't check specific field requirements.
Errors are fields required by Schema.org or Google for that type to be eligible for rich results. Warnings are recommended fields that improve how the result appears but aren't strictly required.
Yes. The tool is completely free and does not require sign-up.

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