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JSON-LD Checker

Check pasted JSON-LD syntax or extract JSON-LD blocks and their types from a public page.

Pasted code stays on your device. Paste JSON only, without the surrounding script tag.

One HTML page or up to 500 KB of pasted JSON. Up to 20 blocks per page. Checks JSON syntax, not Schema.org validity or Google rich-result eligibility. Linked contexts are not fetched.

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