Schema Markup Viewer - Structured Data Inspector is a free Chrome add-on designed to help users view and analyze schema markup on any webpage. It supports all three schema formats: JSON-LD, Microdata, and RDFa, providing a detailed breakdown of structured data. Users can easily access a full JSON-LD code viewer with syntax highlighting and copy schema blocks to their clipboard with a single click. The tool also displays schema types found on the page along with counts, enhancing usability for various users in the digital space.

This tool is particularly beneficial for SEO professionals, web developers, digital marketers, and site owners, offering smart SEO tips based on detected schema and highlighting any invalid JSON-LD errors. Additionally, it provides recommendations for missing schema types, making it a valuable resource for ensuring compliance with structured data standards. Notably, it operates locally in the browser, ensuring no data is collected or API calls are made.