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About this tool
Parses JSON-LD (or a script tag), checks @context and @type, then looks for required fields on common types such as FAQPage, Product, Article and BreadcrumbList.
How to use
- Paste JSON or an application/ld+json script.
- Review errors and warnings.
- Copy the formatted JSON after fixes.
Features
JSON parse errors
@context and @type
FAQPage Q&A shape
Product offers
Article image hint
Pretty-print output