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JSON-LD Validator

Validate JSON-LD structured data for required fields like @context and @type.

Input

json
loading editor…

Paste your JSON-LD here...
or drop a file anywhere in this pane

Output

json

Validation results will appear here...
press ⌘↵ to validate

What Is JSON-LD Validator?

JSON-LD (JavaScript Object Notation for Linked Data) is a W3C standard for structuring linked data on the web using JSON syntax. This tool validates JSON-LD structured data, checking for required fields such as @context and @type, ensuring your structured data is properly formatted for search engines and semantic web applications.

This is used for:

  • SEO Structured Data: Validate Schema.org markup before deploying to production websites.
  • Knowledge Graph Integration: Ensure your linked data conforms to JSON-LD specifications for knowledge graph applications.
  • API Development: Test and validate JSON-LD responses from semantic web APIs and linked data endpoints.

How to Use JSON-LD Validator Online

  1. Paste your JSON-LD data: Copy your JSON-LD structured data and paste it into the input editor.
  2. Click Validate: Press the Validate button to run the validation checks against your JSON-LD.
  3. Review validation results: Examine the output for any missing required fields, structural issues, or warnings.

Frequently Asked Questions

What fields does the JSON-LD validator check?

It checks for the presence of required fields like @context and @type, validates that the JSON is well-formed, and verifies the overall structure meets JSON-LD best practices.

Can I validate any JSON-LD schema type?

Yes. The validator works with any JSON-LD schema type including WebSite, Article, Product, LocalBusiness, Event, FAQPage, and all other Schema.org types.

Is this tool safe?

Yes. All processing happens 100% client-side in your browser. Nothing is uploaded to any server.

Is this tool free?

Yes, completely free with no usage limits or registration required.

Real-World Examples

Web developers and SEO specialists use the JSON-LD Validator to verify structured data before deploying to production. E-commerce sites validate Product schema, blogs validate Article schema, and local businesses validate LocalBusiness schema to ensure rich search results and knowledge panels in Google and other search engines.

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