Validate Schema Markup Online for Free

The Schema Markup Validator allows you to test your structured data (JSON-LD, Microdata) for syntax errors and missing required properties — essential for qualifying for Google Rich Results like FAQs, Reviews, and Breadcrumbs. It ensures your site is ready for the semantic web. This tool is completely free, secure, and processes all validation locally.

1. 1

   Paste your JSON-LD script content into the input field.

2. 2

   The validator checks it against Schema.org type requirements.

3. 3

   Review any errors or warnings and fix your schema markup accordingly.

4. 4

   Paste your schema code or enter a URL to analyze.

5. 5

   Click the Validate button to check for format or property errors.

6. 6

   Review the report to see which rich result types your code qualifies for.

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   What is schema markup used for?

8. 8

   Schema markup helps search engines understand the meaning of your content, which can lead to rich snippets and better visibility in search results.