Free Tools

Schema Markup Validator

Test structured data on your pages for errors.

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Oct 28, 2026
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validator.schema.org

The Schema Markup Validator checks the structured data (schema.org markup) on your pages for errors.

What you can do with it

  • Test JSON-LD, Microdata and RDFa
  • Find errors in structured data
  • Check product, article and FAQ markup
  • Validate code before publishing

Good to know

It's free. Use Google's Rich Results Test too, to see which rich results Google supports for your page.