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Paste a JSON-LD block (or a full <script type="application/ld+json"> tag) and get a per-node report: every required field that is missing, every recommended field worth adding, and type-specific warnings such as out-of-range rating values or string-only authors. Runs entirely in the browser.
Either pure JSON or a full <script type="application/ld+json">…</script> block. Arrays and @graph objects are supported.
The validator parses, walks every node, detects @type, and checks against Schema.org required / recommended field lists.
Red errors block rich-result eligibility. Yellow warnings are recommended fields that Google uses to enrich listings.
Paste the corrected markup and confirm a clean run before you deploy.
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