Website Tools / Schema Validator
Schema Validator
See what structured data is on the page, and if the JSON is valid.
How this tool works
Paste a page URL. We look for application/ld+json scripts in the fetched HTML, parse them, list the types we found (Organization, FAQPage, and so on), and flag JSON that cannot be parsed.
What we check
- JSON-LD script blocks in the first HTML
- Whether those blocks are valid JSON
- Detected @type values
- A few common gaps (for example Organization without sameAs) as potential issues
What we do not check
- Microdata or RDFa unless it is also JSON-LD
- Google’s Rich Result test outcome
- Whether Google will show a rich snippet
How people find this page
This URL is listed in Voyzen’s sitemap, under Resources, and in the Website Tools hub. Guides that match the same question (for example content checklists) link here. Search engines can index this page because it explains the tool in plain language — the form is extra, not the only content.
We do not buy rankings for these tools. If you arrived from Google, you likely searched a question this page answers. If you arrived from Voyzen, use the form above, then read the related guides if you are planning a new site.
Common questions
How do I validate JSON-LD on my website?
Paste the page into Voyzen Schema Validator. We extract JSON-LD from the HTML we fetch and report parse errors separately from heuristic “might be missing” notes. For Google’s own rich-result rules, use Google’s testing tools as well.
Other tools
- SEO Checker
Check one page — titles, setup, and search-visibility signals.
- Site Audit
Check up to 25 pages and see patterns across the sample.