JSON-LD Schema Validator & Instant Feedback Tester
JSON-LD Schema Validator & Instant Feedback
Before publishing your structured data, ensure it’s free of syntax errors and meets schema.org requirements. This client-side JSON-LD Schema Validator lets you paste any JSON-LD snippet, then instantly checks for valid JSON syntax, presence of @context and @type, and warns about missing required properties. No server calls, no sign-ups—your markup never leaves your browser, and you get live feedback to fix errors before you publish.
Use it to validate generated markup from any tool, test third-party snippets, or audit custom code you’ve hand-written. A clear error message appears if parse fails, and a success message plus formatted JSON shows when your schema is sound. Scroll down to start validating your JSON-LD and ensure your pages are ready for rich results.
Feedback
Formatted JSON-LD
How It Works
- Paste any JSON-LD snippet into the textarea.
- Click “Validate JSON-LD” to parse and check structure.
- Errors and warnings display in red; success messages in green.
- Formatted, indented JSON-LD appears below for copy/paste.
- Click “Download Formatted” to save the tidy .json file.
FAQ
- What does it check? JSON syntax,
@context,@type, and basic structure. - Is data stored? No—validation happens entirely client-side.
- Can I validate large schemas? Yes—up to 50,000 characters.
- Download option? Click “Download Formatted” to save your indented JSON-LD.
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