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SchemaNex allows you to easily add custom JSON-LD schema markup to posts, pages, and custom post types directly from the WordPress editor.
Features include:
- Multiple schema blocks per post
- Built-in JSON validation
- AJAX schema validator
- JSON formatting tools
- Dynamic schema variables
- Schema templates (FAQ, Service, Article, LocalBusiness, Breadcrumb)
- Duplicate schema type detection
- Yoast SEO / Rank Math conflict warnings
- Gutenberg and Classic Editor support
- CodeMirror-powered schema editor
Screenshots

Schema editor interface.

JSON validation and formatting tools.

Quick schema template buttons.

Bulk schema management screen.
Plugin Details
Active Installs
40Total Downloads
285Version
1.0.0Requires WP
6.0Requires PHP
7.4Tested Up To
7.0.4Added
2026-05-30Last Updated
2026-05-30 8:16am GMTRatings
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