Schema Markup Viewer

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Overview

View Schema JSON-LD markup on any page.

Schema Markup Viewer is a simple and powerful tool for developers and SEO professionals to instantly view Schema JSON-LD structured data on any webpage. ✨ KEY FEATURES: - Instant Detection — Automatically finds and displays all JSON-LD schema markup on the current page - Quick Search — Search through schema content with highlighted results and easy navigation - Two View Modes — Switch between structured tree view and raw JSON with syntax highlighting - One-Click Validation — Validates URL directly or copies HTML to test with Google Rich Results Test and Schema.org - Copy to Clipboard — Easily copy any schema block as formatted JSON - Error Detection — Identifies broken JSON-LD blocks and checks for common errors like empty values, invalid URLs, and logic inconsistencies 🎯 PERFECT FOR: - SEO specialists checking structured data implementation - Web developers debugging schema markup - Content managers verifying rich snippets - Anyone analyzing website structured data 🔒 PRIVACY FOCUSED: - No data collection — everything is processed locally in your browser - No external servers — your data never leaves your device - Minimal permissions — only accesses pages when you click the icon 📖 HOW TO USE: 1. Navigate to any webpage 2. Click the Schema Markup Viewer icon 3. View all detected schemas in an organized accordion layout 4. Search through schema content 5. Toggle between tree view and raw JSON 6. Use the Validate Schema dropdown to test your markup Simplify your structured data workflow today!

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Details

Version
1.2
Updated
February 11, 2026
Flag concern
Offered by
Serhii Pohorilyi
Size
22.29KiB
Languages
English
Developer
Email
serh.pohorilyi@gmail.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

Support

Schema Checker

0.0

check web page Schema

JSON Downloader

0.0

Download JSON from web pages or URLs with one click. Simple, fast, and developer-friendly.

Milestone Schema Editor

3.0

Create and deploy JSON-LD structured data or schema on your web pages effortlessly using Milestone Schema Editor.

JsonDiscovery

4.9

Browser extension that changes the way you're viewing JSON

Schema Builder for Structured Data

3.6

Easily build validated json-ld structured data markup for any webpage. Based on schema.org specification

JSON-LD Schema Extractor

5.0

Extracts JSON-LD schema from webpages and displays it in different formats

Schema Markup Validator & Generator

5.0

Instantly validate and generate structured data for any webpage.

Metadata Viewer

4.0

View metadata of the current website inside Devtools.

SEO Audit, Schema & H-Tag Validator (Optimax AI)

5.0

Visualize H-tag structures, validate Schema JSON-LD, and fix Meta tags with local AI. A 100% private, all-in-one technical SEO audit

JSON Viewer

0.0