[Crawl-Date: 2026-04-26]
[Source: DataJelly Visibility Layer]
[URL: https://datajelly.com/seo-tools/structured-data-validator]
---
title: Structured Data Validator - JSON-LD Schema Validator | DataJelly
description: Free structured data validator. Validate JSON-LD schema markup, check what Google and AI crawlers see, and ensure proper implementation of schema.org types.
url: https://datajelly.com/seo-tools/structured-data-validator
canonical: https://datajelly.com/seo-tools/structured-data-validator
og_title: DataJelly - The Visibility Layer for Modern Apps
og_description: Rich social previews for Slack & Twitter. AI-readable content for ChatGPT & Perplexity. Zero-code setup.
og_image: https://datajelly.com/datajelly-og-image.png
twitter_card: summary_large_image
twitter_image: https://datajelly.com/datajelly-og-image.png
---

# Structured Data Validator - JSON-LD Schema Validator | DataJelly
> Free structured data validator. Validate JSON-LD schema markup, check what Google and AI crawlers see, and ensure proper implementation of schema.org types.

---

Free SEO Tool
## Structured Data Validator

Validate JSON-LD schema markup and see what Google and AI crawlers understand about your content.

## Discovery & Navigation
> Semantic links for AI agent traversal.

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