hbgl

A WordPress plugin that provides a Gutenberg block for displaying computer source code with syntax-highlighting. Uses <a href="https://highlightjs.org/" rel="nofollow ugc">highlight.js</a> under the hood.
<ul>
<li>✅ Supports 192 languages</li>
<li>✅ 256 included themes</li>
<li>✅ Server rendered static HTML</li>
<li>✅ Zero JS runtime dependencies</li>
<li>✅ Dynamic light/dark mode based on <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme" rel="nofollow ugc">preferred color scheme</a></li>
</ul>

Code Syntax Highlighting Block

A Gutenberg block for syntax-higlighted code.

4wpdev

Anatoliy Dovgun

4WP Advanced Code enhances core/code blocks and provides a dedicated Advanced Code block with syntax highlighting, copy and share controls, optional notes, and SoftwareSourceCode JSON-LD for technical content.
A plugin by <a href="https://4wp.dev/" rel="nofollow ugc">4wp.dev</a>. 4WP is our project brand; the letters “WP” appear only as part of that brand name, not as a reference to WordPress. This plugin is not affiliated with, endorsed, or sponsored by WordPress.
Source code: <a href="https://github.com/4wpdev/4wp-advanced-code" rel="nofollow ugc">github.com/4wpdev/4wp-advanced-code</a>
<h4>Key features</h4>
<ul>
<li>Syntax highlighting — bundled Highlight.js (no CDN on the frontend)</li>
<li>core/code wrapper — upgrade existing Code blocks without re-entering content</li>
<li>Advanced Code block — per-block language, theme, copy/share, and SEO fields</li>
<li>JSON-LD — optional SoftwareSourceCode structured data</li>
<li>Settings — global defaults under Settings → 4WP Advanced Code</li>
</ul>
<h4>Privacy</h4>
Copy and share actions run in the visitor browser. When share opens Twitter or LinkedIn, the visitor leaves your site to those third-party services. No personal data is sent to 4wp.dev.
<h3>Blocks</h3>
This plugin provides 1 block.
<ul>
<li>Advanced Code — syntax-highlighted code with copy, share, and SEO controls.</li>
</ul>

4WP Advanced Code

Enhanced Code block for Gutenberg with syntax highlighting, copy and share controls, and optional SoftwareSourceCode JSON-LD.

Code Syntax Highlighting Block vs 4WP Advanced Code