Adds modern syntax highlighting to WordPress's standard code block using the robust highlight.js library.
As of April 2026, Syntax Highlight Nano is a WordPress code plugin with 0 active installations and a 0/5 rating0. It has been downloaded 268 times in total. Requires WordPress 6.0+ and PHP 7.4+. Available on WordPress.org since 2025. Recently updated within the last 3 months. Top alternative: WPCode – Insert Headers and Footers +….
Syntax Highlight Nano adds beautiful, customizable syntax highlighting to WordPress’s core code block.
It integrates seamlessly with the Gutenberg editor, providing a consistent look and feel between the editor and the frontend.
Because it extends the existing “Code” block, there is no need for a separate custom block or switching between different block types.
This plugin is built on top of highlight.js, ensuring accurate and performant syntax highlighting for a wide variety of languages.
| WordPress | 6.0+ requiredTested up to 6.9.4 |
| PHP | 7.4+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.