What is JSON-LD structured data?

JSON-LD (JSON for Linking Data) is a way to embed machine-readable data in your HTML that helps search engines understand your content. It's Google's recommended format.

How is this different from Google's Rich Results Test?

This tool validates syntax and basic Schema.org compliance offline. Google's Rich Results Test checks eligibility for specific rich result types and requires a live URL.

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All Tools Guides 30 Glossary 49 File Formats 131 Use Cases 302 API

Structured Data Validator

Validate JSON-LD structured data syntax and Schema.org types

Free Browser-only No sign-up

Input

chars words sentences lines

Second Input

Results

Result

About Structured Data Validator

Paste JSON-LD markup or HTML containing structured data to validate syntax, check required properties, and verify Schema.org type usage. Find errors before submitting to Google's Rich Results Test.

How It Works

The tool extracts JSON-LD from