SEO & Webmaster
Schema Validator
- Browser-based
- No signup
Browser-based
Paste page HTML or raw JSON-LD to find script blocks, validate JSON syntax, and flag missing @context or @type properties.
Validation checks JSON-LD syntax and common fields. It does not verify rich-result eligibility with Google.
How to use this tool
1. Paste page HTML or a JSON-LD script block. 2. Run validation to list each block and any errors or warnings. 3. Fix invalid JSON or missing @context/@type before deploying.
Worked example
Example: a Product schema missing @context triggers a warning so you can add "https://schema.org" before publishing.
How it works
Paste HTML or raw JSON-LD to extract structured data blocks and validate JSON syntax, @context, and @type fields for common schema issues.
Limitations
Validation checks JSON-LD syntax and common fields. It does not verify rich-result eligibility with Google.
Privacy and file handling
Your data is processed in your browser and is not uploaded to our server.
Frequently asked questions
Is the Schema Validator free to use?
Yes. Utilnivo tools are free to use and do not require an account.
Are my inputs stored?
Utilnivo does not require an account. See the privacy note on this page for how your data is processed for this tool.
How do I get started with Schema Validator?
Open the tool on this page, enter your inputs, and use the on-screen controls. No account is required.
Part of these workflows
This tool is one step in a longer job. Follow a workflow guide to see what to do before and after.
Related tools
Related pages
- Schema and structured data — compare seo tools and read FAQs
- Debug a site before launch — step-by-step workflow
- Browse all free online tools on Utilnivo
- Explore more seo tools on Utilnivo
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