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Schema Markup Validator

Validate structured data syntax and identify common schema issues.

480 characters

Key Capabilities

5 capabilities
#Capability
01Validates JSON-LD syntax, @context, and @type specifications
02Direct URL extraction of on-page <script type='application/ld+json'> blocks
03Checks required properties for Organization, Article, Product, FAQPage, etc.
04Identifies unescaped characters, type mismatches, and nested structure bugs
05Formatted syntax-highlighted JSON viewer

How to Use the Schema Markup Validator

Step 01

Provide Schema

Paste raw JSON-LD markup or enter a webpage URL to extract existing schema.

Step 02

Run Validation

The parser verifies schema vocabulary, required properties, and JSON syntax.

Step 03

Review Errors & Warnings

Inspect highlighted issues and copy corrected JSON-LD.

Frequently Asked Questions

What is Schema.org structured data?

Structured data uses standardized vocabulary (Schema.org) in JSON-LD format to help search engines understand page content and qualify for rich search results (stars, FAQs, pricing).