Takashi Fujisaki

<p>Syntax Highlight Nano adds beautiful, customizable syntax highlighting to WordPress’s core code block.<br />
It integrates seamlessly with the Gutenberg editor, providing a consistent look and feel between the editor and the frontend.<br />
Because it extends the existing “Code” block, there is no need for a separate custom block or switching between different block types.<br />
This plugin is built on top of <strong>highlight.js</strong>, ensuring accurate and performant syntax highlighting for a wide variety of languages.</p>
<h4>Features</h4>
<ul>
<li><strong>Automatic language detection</strong>: Intelligently detects the programming language of your code.</li>
<li><strong>Customizable header</strong>: Optionally display a header above the code block with a filename or language name.</li>
<li><strong>Line numbers</strong>: Toggle line numbers on or off to improve code readability.</li>
<li><strong>Copy to clipboard button</strong>: A convenient button appears on hover, allowing users to copy the code with a single click.</li>
<li><strong>Lightweight and performant</strong>: Uses highlight.js for efficient, optimized syntax highlighting.</li>
<li><strong>WordPress best practices</strong>: Built following WordPress development standards.</li>
</ul>
<h4>How to Use</h4>
<ol>
<li>Install and activate the plugin.</li>
<li>In the WordPress editor, add a standard “Code” block.</li>
<li>Enter your code.</li>
<li>In the block settings sidebar, you can:
<ul>
<li>Select a programming language (or leave it for automatic detection).</li>
<li>Add a filename.</li>
<li>Toggle header visibility.</li>
<li>Toggle line number visibility.</li>
</ul>
</li>
<li>The code block will be automatically highlighted on the frontend.</li>
</ol>
<h3>Privacy</h3>
<p>This plugin does not collect any personal data. It does not set cookies or connect to external services. All processing happens locally on your server and in the user’s browser.</p>
<h3>Credits</h3>
<p>This plugin uses highlight.js (BSD 3‑Clause License).<br />
Copyright (c) 2006, Ivan Sagalaev<br />
https://github.com/highlightjs/highlight.js</p>
<h3>Support</h3>
<p>For support, feature requests, and bug reports, please visit:<br />
https://github.com/takashifujisaki/syntax-highlight-nano/issues</p>


Syntax Highlight Nano

Adds modern syntax highlighting to WordPress's standard code block using the robust highlight.js library.

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<p>Dark mode for your code.</p>
<p>By default, the popular Dracula Theme + Highlight.js make for beautifully dark code highlighting on the front-end of your WordPress-powered website. However, you can completely customize the look of code highlighting (under <em>Appearance > Customize > Code Styles</em>) if you like, even changing the overall design to, 🧛 *<em>hiss</em>*, a light mode design.</p>
<p>Simply activate this plugin and any code found within <strong><pre><code>…</code></pre></strong> tags on the front-end of your site will automatically be highlighted according to the detected language.</p>
<p>Dracula: <a href="https://draculatheme.com/" rel="nofollow ugc">https://draculatheme.com/</a><br />
Highlight.js: <a href="https://highlightjs.org/" rel="nofollow ugc">https://highlightjs.org/</a></p>


Syntax Highlight Nano vs Dark Code