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Open Graph Metadata Inspector
Inspect supplied HTML social metadata, duplicate declarations and resolved URLs.
HTML source, Document HTTP(S) URL
open-graph-metadata-inspector.json (complete report)
Browser only
Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Enter values using the examples, or choose a local file where requested. Follow the displayed supported input shapes and limits.
- Choose Calculate result and inspect the complete result.
- Download result to save the primary file. Where supplied, additional links save source files and the full JSON report. Reset restores examples and clears output.
Examples
HTML source: <title>Fallback</title><meta property="og:title" content="Demo"><meta property="og:image" content="/cover.png"><meta name="twitter:card" content="summary">
Document HTTP(S) URL: https://example.com/page
Limitations
- Parse supplied HTML without execution,up to20000 nodes/100 levels. Collect supported exact lowercase og:/twitter: core/media/card keys in document order; preserve duplicates,ignore template contents and resolve HTTP(S) URL fields against the supplied document URL (not HTML base). List malformed/unsafe URLs as diagnostics,plus duplicate keys and missing nonempty core declarations. No remote page/image fetch,visual-card fidelity,indexing or complete protocol validation.
- Text fields are limited to100,000 UTF16 units each and400,000 combined UTF8 bytes; file fields have their own displayed limits. Combined output is at most4MiB. Processing stops after30 seconds; tool-specific bounds may be tighter.
- Generated source is a downloadable result and is not executed here. Inspection does not establish remote behavior, trust or standards certification.
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