Description
Vaaky Highlighter is a lightweight syntax highlighter plugin for WordPress Gutenberg.
It allows you to add clean, readable, and visually appealing code blocks and code snippets with automatic language detection.
Syntax highlighting is powered by Highlight.js, a fast and dependency-free JavaScript library that supports multiple programming languages and themes.
Vaaky Highlighter is ideal for developers, bloggers, technical writers, and documentation sites who want elegant syntax-highlighted code without unnecessary bloat.
Using it is simple: add the Vaaky Highlighter Sourcecode block in Gutenberg, paste your code, and publish — the plugin handles everything automatically.
View the live demo of all supported themes:
Demo Page
Usage
- Add the Vaaky Highlighter block in the Gutenberg editor
- Paste or write your code
- Select a language (optional)
- Save and view your page on the frontend
Supported Languages
- Apache
- Bash
- C
- C#
- C++
- CSS
- DNS Zone file
- DOS
- Django
- Dockerfile
- Go
- HTML / XML
- Handlebars
- JSON
- Java
- JavaScript
- Markdown
- Nginx
- Objective-C
- PHP
- Plaintext
- PostgreSQL & PL/pgSQL
- PowerShell
- Python
- R
- Ruby
- Rust
- SCSS
- SQL / MySQL
- Shell
- Twig
- TypeScript
- YAML / YML
Screenshots
Gutenberg syntax highlighter block 
Visual Studio 2015 theme – JavaScript code snippet 
Visual Studio 2015 theme – PHP code snippet 
Visual Studio 2015 theme – YAML code snippet 
Monokai (Sublime) theme – JavaScript code snippet 
Monokai (Sublime) theme – YAML code snippet 
Monokai (Sublime) theme – PHP snippet with scrollbar 
Monokai (Sublime) theme – PHP snippet with line wrapping
Blocks
This plugin provides 1 block.
- Vaaky Highlighter
Installation
Minimum Requirements
- WordPress 6.0 or higher
- PHP 5.6 or higher
Automatic Installation
- Go to Plugins Add New in your WordPress dashboard
- Search for Vaaky Highlighter
- Click Install Now
- Activate the plugin
Manual Installation
- Download the plugin ZIP file
- Go to Plugins Add New
- Click Upload Plugin
- Upload the ZIP file and activate
For help, see the official WordPress guide:
https://wordpress.org/support/article/managing-plugins/#manual-plugin-installation
FAQ
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Does Vaaky Highlighter work with Gutenberg?
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Yes. Vaaky Highlighter is built specifically for the Gutenberg block editor and integrates seamlessly as a custom code block.
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Which syntax highlighting library does this plugin use?
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Vaaky Highlighter uses Highlight.js with automatic language detection.
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What themes are supported?
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The plugin supports 30 syntax highlighting themes, including:
Dark themes:
Monokai (Sublime), Visual Studio 2015, GitHub Dark, Android Studio, Tokyo Night Dark, Rose Pine, NordLight themes:
GitHub, StackOverflow Light, Google Code, Tokyo Night Light, Rose Pine Dawn -
How can I highlight a language that is not listed?
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Leave the language selection empty. Highlight.js will automatically detect the language.
If detection fails, you can request support via GitHub:
https://github.com/finallyRaunak/vaaky-highlighter/issues -
Does the plugin support line numbers?
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No, line numbers are not supported at this time.
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Does Vaaky Highlighter work with the Classic Editor?
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Yes. You can use the shortcode:
[vaakyHighlighterCode lang="php"]Your code here[/vaakyHighlighterCode]The
langattribute is optional. If omitted, the language will be auto-detected.
Reviews
Contributors & Developers
“Vaaky Highlighter – Syntax Highlighter for Gutenberg” is open source software. The following people have contributed to this plugin.
Contributors
Translate “Vaaky Highlighter – Syntax Highlighter for Gutenberg” into your language.
Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
1.1.0 – 2026-01-10
- Updated WordPress compatibility to 6.9
- Upgraded Highlight.js from v11.2.0 to v11.11.1
- Added support for 24 additional languages
- Added new themes: Tokyo Night, Rose Pine, Nord
- Updated all existing themes
- Fixed WordPress.org compatibility warnings
1.0.6 – 2024-01-01
- Fixed deprecated settings notice
- Tested with latest WordPress version