JSON-LD Schema Validator

The JSON-LD Schema Validator is a tool designed to help webmasters, developers, and SEO professionals ensure that structured data is properly implemented on a webpage. Structured data in JSON-LD format allows search engines to better understand the content of a page, which can improve visibility in search results, enable rich snippets, and enhance user engagement.

JSON-LD (JavaScript Object Notation for Linked Data) is a widely adopted standard for embedding structured data into HTML pages. This validator helps you confirm that your JSON-LD code is correctly formatted, follows schema.org specifications, and can be interpreted by search engines without errors. Using this tool ensures that your structured data contributes positively to your site’s SEO performance.

How It Works

1. Crawl the URLs – Enter one or more URLs you want to validate. The validator will scan each page for any JSON-LD structured data blocks.
2. Detect Schema – If JSON-LD schema is found, the tool extracts each schema block and analyzes its structure.
3. Validate Against Specifications – The validator checks the extracted data against schema.org standards, highlighting missing required fields, incorrect types, or syntax errors.
4. View Results – Review a clear report summarizing the validity of all detected schema blocks.

Limits and Usage

Each URL counts as 1 credit, regardless of how many JSON-LD schema blocks it contains.