---
title: "Free Schema Markup Checker — Validate JSON-LD Structured Data"
description: "Validate and preview JSON-LD structured data on any web page. Find schema errors and missing required fields."
canonical: "https://www.blogy.in/tools/schema-checker"
markdown_url: "https://www.blogy.in/tools/schema-checker.md"
json_url: "https://www.blogy.in/tools/schema-checker.json"
author: "Tarun Kumar"
author_url: "https://www.linkedin.com/in/tarunmottlia/"
author_email: "tarun.kumar@blogy.in"
tags: ["schema checker", "json-ld validator", "structured data checker"]
keywords: ["schema checker", "json-ld validator", "structured data checker"]
page_type: "tool"
section: "Tools"
publisher: "Blogy"
publisher_url: "https://www.blogy.in"
---

# Free Schema Markup Checker — Validate JSON-LD Structured Data

**Author:** [Tarun Kumar](https://www.linkedin.com/in/tarunmottlia/) — Founder, Blogy  
**Source:** https://www.blogy.in/tools/schema-checker  
**Contact:** tarun.kumar@blogy.in

> Validate and preview JSON-LD structured data on any web page. Find schema errors and missing required fields.

**Keywords:** schema checker, json-ld validator, structured data checker

---

## Schema Markup Checker

Validate JSON-LD structured data on any web page. Detects missing required fields, invalid types, and schema errors.

---

_Published by [Blogy](https://www.blogy.in) — AI SEO & GEO platform. Written by [Tarun Kumar](https://www.linkedin.com/in/tarunmottlia/), Founder. Contact: tarun.kumar@blogy.in_