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Custom HTML Block Extension
Extend Custom HTML block to evolve into the advanced code editor.
The facts
- Rating
- 5★ from 13
- Active installs
- 7k+
- Price
- Free
- Last updated
- 26 Jul 2026
- Added
- May 2021
- Requires WP
- 7.0
- Tested up to
- WP 7.1
- Requires PHP
- 8.0
- Downloads
- 58,192
Our analysis
AI-assistedCustom HTML Block Extension is a WordPress plugin that enhances the Custom HTML block, providing an advanced code editor experience. It offers 50 different colour themes and includes Emmet functionality to expand shortcuts into complete code, which can help reduce typing time.
The plugin allows users to customise various settings to create an ideal editing environment. It supports the classic editor, theme/plugin editor, and the import/export of editor settings, making it suitable for users who require advanced coding features within WordPress.
Best for: This plugin is best for developers or advanced users who need enhanced coding capabilities in WordPress.
What it does well
- ✓Offers 50 different colour themes
- ✓Includes Emmet for code shortcuts
- ✓Customisable settings for advanced editing
- ✓Supports classic and theme/plugin editors
- ✓Allows import/export of editor settings
Where it falls short
- •Limited information on additional features
- •No details on user support or documentation
Verdict
Custom HTML Block Extension is a useful tool for users looking to improve their coding experience in WordPress, though more information on support would be beneficial.
From the developer
Aki Hamano's own description of Custom HTML Block Extension, lightly tidied.
Custom HTML Block Extension extends Custom HTML block to evolve into the advanced code editor.
There are 50 different color themes to choose from, and you can select the one that best suits your taste.
This plugin features Emmet that expand shortcut input into complete code. This reduces the number of times you have to type and saves keystrokes.
You can change all kinds of settings to create your ideal editor in advanced mode.
And supports the classic editor, the theme/plugin editor, and import/export editor settings.
Resources
monaco-editor
License: MIT License
Source: https://github.com/microsoft/monaco-editor
emmet-monaco-es
License: MIT License
Source: https://github.com/troy351/emmet-monaco-es
monaco-themes
License: MIT License
Source: https://github.com/brijeshb42/monaco-themes
webfontloader
License: Apache-2.0 License
Source: https://github.com/typekit/webfontloader
Web Font (Fira Code)
License: OFL-1.1 License
Source: https://github.com/tonsky/FiraCode
Web Font (Source Code Pro)
License: OFL-1.1 License
Source: https://github.com/adobe-fonts/source-code-pro
Web Font (Ubuntu Mono)
License: OFL-1.1 License
Source: https://ubuntu.com/legal/font-licence
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