Schema and Structured Data Tools
Schema Markup Validator (Google)
Google's official tool for testing and validating structured data and JSON-LD schema markup on web pages for search and AI indexing.
- Vendor
- Category
- Schema Validation
- Pricing Model
- Free
- Website
- https://validator.schema.org
- Free Tier
- Yes
Google's Schema Markup Validator (validator.schema.org) tests structured data implementations on web pages, validating JSON-LD, Microdata, and RDFa formats against schema.org vocabulary. Essential for verifying that schema markup is correctly implemented and will be parsed accurately by Google Search and AI systems that rely on structured data signals.