Schema Markup Validator
SEOValidate JSON-LD schema markup syntax and catch common field issues before publishing.
JSON-LD input
Syntax validation plus lightweight schema field checks.
Validation result
Run validation to inspect your schema markup.
How to Use Schema Markup Validator
Paste your JSON-LD structured data markup into the editor and click Validate. The tool checks for required and recommended fields based on the @type you declared, flags missing properties, and highlights syntax errors. Fix any issues before deploying — invalid schema markup is ignored by search engines and misses rich result eligibility.
Paste your JSON-LD
Copy your <script type="application/ld+json"> block content and paste it into the editor.
Validate
Click Validate to check structure, required fields, and JSON syntax.
Fix flagged issues
Address missing required fields (like @type, name, or url) and correct any JSON syntax errors.
Re-validate and deploy
Validate again after fixes, then paste the corrected markup back into your page.
Frequently Asked Questions
What schema types are supported?+
Does passing this validator guarantee rich results?+
Should I use JSON-LD or Microdata?+
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