JSON-LD is a common way to add structured data to a web page. A small syntax error, invalid value, or mismatched property can prevent a parser...

What this tool helps you do

JSON-LD is a common way to add structured data to a web page. A small syntax error, invalid value, or mismatched property can prevent a parser from reading the markup as intended. Validation helps catch these issues before relying on the data in production.

Steps for a reliable result

Paste the JSON-LD into JSON-LD Validator & Auto-Fixer and review reported errors or warnings. Compare any suggested fixes with the official schema definition and the actual page content, then test the deployed page after the markup is updated.

Things worth checking

A valid JSON-LD block does not automatically qualify a page for a search enhancement. Keep markup accurate, avoid hidden or fabricated claims, and use a search-engine-specific rich-result test when eligibility is the question.

Related tools

Depending on your next step, you may also find Schema Generator, Schema Visualizer and Json Ld To Microdata useful. Choose the tool that matches the task instead of converting or editing a file more than necessary.