Does Schema Markup Validator use live data or analyse static input?

Schema Markup Validator analyses the content or configuration you provide. Where live website data is needed (such as fetching a page), you enter the URL and the tool retrieves the relevant data instantly.

How often should I use Schema Markup Validator?

Run Schema Markup Validator whenever you publish new content, make significant page changes, or audit your existing setup. Regular use catches issues before they impact your search rankings.

How does Schema Markup Validator work?

Schema Markup Validator analyses the content, URL, or data you provide and returns a detailed report with actionable findings. All analysis runs in your browser — no server upload required.

Is Schema Markup Validator free to use?

Yes, Schema Markup Validator is 100% free with no usage limits, no watermarks, and no hidden charges. The platform is supported by non-intrusive advertising so all tools stay free for everyone.

Do I need to create an account to use Schema Markup Validator?

No account or registration is required. Open Schema Markup Validator and start immediately — no email, no sign-up, no personal information needed.

Is my data safe when using Schema Markup Validator?

Yes. Schema Markup Validator runs entirely in your browser using client-side JavaScript. Your files and data never leave your device and are never transmitted to our servers.

Does Schema Markup Validator work on mobile and tablet devices?

Yes. Schema Markup Validator is fully responsive and tested on smartphones, tablets, and all major desktop browsers (Chrome, Firefox, Safari, and Edge). The interface adapts automatically to any screen size.

Schema Markup Validator

Validate JSON-LD schema markup

FreeNo sign-upSEO Tools →

Schema Markup Validator is a free, browser-based search engine optimisation tool. Validate JSON-LD structured data against Schema.org specifications. Check for errors and missing required properties.

SEO specialists, content marketers, website owners, and digital agencies use Schema Markup Validator every day to save time and skip the overhead of desktop software or paid services. No installation, no account, and no technical knowledge required — just paste your content into Schema Markup Validator and get results in seconds. Your files never leave your browser — full privacy by design.

Schema Validator

Schema markup (JSON-LD)

How to use Schema Markup Validator

Paste JSON-LD

Enter your schema markup.

Validate

Check for errors.

Fix issues

See suggestions for improvement.

Use Cases

Optimising new pages before publishing to ensure technical correctness
Auditing existing pages for crawlability and structured data issues
Preparing JSON-LD schemas for rich results in Google Search
Monitoring and improving search snippet appearance and CTR

Key Benefits

100% free with no usage limits, watermarks, or hidden fees
No account or sign-up required — use it instantly
Works in all modern browsers on desktop, tablet, and mobile
Privacy-first: all processing runs locally, files never leave your device
Actionable insights with clear, readable output
Detailed breakdown with specific recommendations