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Schema Validator

schema-validator pulls every <script type="application/ld+json"> block out of a page (or reads a .jsonld file), parses it, walks nested objects and @graph, and checks each typed node against the properties Google requires and recommends for rich results. It also validates the values that most often break eligibility: ISO 8601 dates and durations, prices with currency symbols or thousands separators, lowercase currency codes, relative image URLs, ratings outside their scale and breadcrumb positions out of order.

• Getting started — install, first run, reading the output
• FAQ — common questions
• Troubleshooting — errors and how to fix them

Prefer a browser? The same check runs online at PromoPilot — free, no sign-up.