Skip to main content
Bethemesh
Web & SEO

Structured data JSON-LD validator

Validate JSON-LD syntax and detect types, entities, and structural warnings. Free local processing with no account required.

  • Clipboard

Embed this widget

Customize the result, check the live preview, then copy the code.

Preview

Embed code type

Code to copy

Responsive and automatically resized by Bethemesh.

Local analysis

Validate JSON-LD syntax, detect Schema.org types, and flag missing @context or @type without uploading the data.

Was this tool useful?

How does this tool work?

Validate JSON-LD syntax, detect Schema.org types, and flag missing @context or @type without uploading the data.

Processing runs locally in your browser from the content you paste. The tool applies deterministic parsing, normalization, and comparison rules for its specific task, then shows metrics and an exportable result. It does not fetch your website, emulate Googlebot, or replace a real crawl, Search Console, or an official validator when one is required.

How to use this tool

  1. Paste your data

    Add the HTML, JSON-LD, sitemap, text, or mapping requested by the tool.

  2. Run the analysis

    The local engine normalizes the data and applies the checks required for that tool.

  3. Review and export

    Review the metrics and generated result before using it on your site or in a workflow.

Use cases

Pre-release check

Quickly check a snippet, configuration, or list before publishing it on a website.

Migration comparison

Spot differences between versions or prepare reusable rules during a technical migration.

Local SEO diagnosis

Investigate a structural or data issue without sending the content to a remote service.

Tips and best practices

  • Use a representative copy of the content that is actually published.
  • Keep URL and casing conventions consistent when comparing two versions.
  • Cross-check the local result with a crawl or official tool when the decision depends on real server or search-engine behavior.

Frequently asked questions

Does the tool analyze my live website?

No. It only processes the content you provide in the browser. This avoids CORS limitations and keeps the supplied data local.

Does the result guarantee Google behavior?

No. It is a local structural or syntax analysis. Crawling, rendering, indexing signals, and Google processing must be checked with the appropriate tools.

Can I use the generated result in production?

Yes as a technical starting point after review. For redirects, structured data, or major migrations, always test the configuration in the target environment before deployment.

Related tools

Keep going with these tools

Tools similar or complementary to this one.

Works well with

HTML SEO Analyzer

Analyze key SEO signals in HTML locally.

Web & SEONewFeaturedUse this tool

Read next

TutorialBest practicesBeginner

Optimize images for the Web without losing quality

Resize, compress and choose between WebP, AVIF and other formats with a practical workflow that reduces file size without unnecessary visual loss.

30 August 20264 min