Youbou Code Blockv1.0.1
Code block with syntax highlighting for gutenberg editor.
Alternatives to Custom HTML Block Extension
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Highlighting Code Blockv2.2.1
Add code block with syntax highlighting using prism.js. (Available for Gutenberg and Classic Editor)
Syntax Highlight Nanov1.2.1
Adds modern syntax highlighting to WordPress's standard code block using the robust highlight.js library.
Syntax highlighting for the Gutenberg Code block — Prism.js, 21 themes, 40+ languages, plus an optional server-side highlighting mode.
Nahnu Code & API Blockv1.0.3
A block suite for developer documentation: syntax-highlighted code snippets plus a full set of API-documentation blocks. Website | Documentation | See …
Kodosvet Code Blockv1.1.0
Lightweight Gutenberg code block with Highlight.js syntax highlighting, smart language detection, and a built-in legacy block migrator.
Create syntax-highlighted, copy-ready code snippets in Gutenberg with responsive layouts, themes, and shortcode support.
Display HTML, CSS, JavaScript, PHP & Python code snippets in WordPress with live preview, syntax highlighting and a copy button.
Coywolf Code Block Enhancerv1.0.60
Syntax highlighting and a copy-to-clipboard button for the native WordPress Code block, plus a language picker in the editor sidebar.
Extends the core Code block with language selection (Prism.js) and a configurable copy button.