Tim van Iersel

Remove Schema optionally removes all schema markup from your website. <a href="http://coderisk.com/wp/plugin/remove-schema/RIPS--IjmGY49ry" rel="nofollow ugc"></a>
You have the option to remove:
<ul>
<li>All JSON-ld</li>
<li>All Microdata</li>
<li>All RDFa</li>
</ul>
And remove plugin/theme specific markup:
<ul>
<li>WooCommerce</li>
<li>WooCommerce emails</li>
<li>Yoast SEO</li>
<li>Schema Pro</li>
<li>GeneratePress themes</li>
</ul>

Remove Schema

Works great! I wanted to add my own schema, but the theme I am using was adding a bunch more, some of it in error. Remove Schema got rid of all that junk and everything's good now! 

Excellent - Removed Problematic Schema

Remove all Schema Markup / Structured data (Microdata, RDFa and/or JSON-ld) that you don’t want on your site.

eGrove Systems

SEO Schema – Structured Data & Breadcrumb List plugin helps you add JSON-LD structured data for Organization Schema and Breadcrumb Schema to your WordPress site. It allows you to provide detailed organization information, like name, URL, logo, description, contact details, address, and dynamic breadcrumbs.
Features include:
<ol>
<li>Admin form to input organization details.</li>
<li>Supports Organization Schema (JSON-LD).</li>
<li>Supports dynamic Breadcrumb Schema (JSON-LD).</li>
<li>Add dynamic breadcrumbs with customizable name and URL.</li>
<li>Easy-to-use interface in the WordPress admin panel.</li>
</ol>
<h3>License</h3>
This plugin is licensed under the GPLv2 or later. 
For more details, visit <a href="https://www.gnu.org/licenses/gpl-2.0.html" rel="nofollow ugc">GNU General Public License</a>.

SEO Schema – Structured Data & Breadcrumb List

A WordPress plugin to add structured data for Organization Schema and Breadcrumb Schema using JSON-LD.

Remove Schema vs SEO Schema – Structured Data & Breadcrumb List