Schema Markup Validator: Validate JSON-LD Structured Data | Free
4 usesSchema Validation Tips
Validate JSON-LD Structure
Check that your JSON-LD schema markup is valid JSON with proper @context and @type fields.
Missing Field Warnings
Get warnings for recommended fields that are missing for each schema type (Article, Product, FAQ, etc).
Format & Prettify
Auto-format your JSON-LD with proper indentation for easier reading and editing.
Browser-Based
All validation happens locally. Your schema data is never sent to any server.
Frequently Asked Questions
What is JSON-LD schema markup?
JSON-LD is a format for implementing Schema.org structured data on web pages, helping search engines understand your content for rich snippets.
What schema types are supported?
Our validator checks Article, Product, LocalBusiness, FAQPage, WebApplication, Organization, Person, Event, Recipe, and VideoObject types.
Does this replace Google's Rich Results Test?
This tool validates JSON syntax and checks for recommended fields. For full rich results eligibility, also use Google's Rich Results Test.
Is this validator free?
Yes, completely free.
How do I interpret the warnings and errors from the schema markup validator?
Our Schema Markup Validator clearly flags syntax errors and missing required fields in your JSON-LD. Warnings usually indicate optional but recommended fields that, when added, can enhance your schema's potential for rich snippets. Always prioritize fixing errors first, then review warnings to optimize your structured data. Use the tool's feedback to refine your markup, ensuring it accurately reflects your content and meets Schema.org guidelines for better search engine understanding and rich result eligibility.
How to Validate Schema Markup
- Paste your JSON-LD code into the input area
- Click Validate to check structure and fields
- Review any warnings for missing recommended fields
- Use Format to prettify the JSON-LD code