Markup Tools
Generate, validate, and preview structured data markup for better SEO and rich search results.
JSON-LD Generator
Create structured data markup with a visual, form-based editor. Supports all major Schema.org types including Article, Product, FAQ, HowTo, and more.
Schema Validator
Paste your structured data and validate it against Schema.org specifications and Google's rich result requirements.
AI Search Optimizer
Analyze your structured data for AI search readiness. Get scores and recommendations to optimize for ChatGPT Search, Perplexity, and Google AI Overviews.
Schema Audit
Paste full HTML page source to find and audit all structured data. Get validation, rich result eligibility, AI readiness scores, missing opportunities, and quick wins.
Rich Snippet Preview
See how your structured data will appear in Google search results before you publish. Preview rich snippets, knowledge panels, and more.
Microdata Converter
Convert between JSON-LD, Microdata, and RDFa formats. Paste any structured data format and get the equivalent in another.