RichText Extension
Adds useful decoration features to the Gutenberg RichText editor toolbar.
The facts
- Rating
- 5★ from 4
- Active installs
- 900+
- Price
- Free
- Last updated
- 25 Jul 2026
- Added
- May 2020
- Requires WP
- 7.0
- Tested up to
- WP 7.1
- Requires PHP
- 8.0
- Downloads
- 18,856
Our analysis
AI-assistedRichText Extension is a WordPress plugin that enhances the Gutenberg rich text editor with additional formatting options. It allows you to add highlights, change font sizes, create underlines, and clear formatting on inline text. This plugin is suitable for users who want to improve text presentation in their posts and pages.
The plugin offers features such as customizable highlighters with adjustable color, thickness, and opacity, as well as the ability to specify font sizes as a percentage of the base size. It is designed for those looking to add more visual appeal to their content without needing advanced coding skills.
Best for: This plugin suits content creators who use the Gutenberg editor and want to enhance text formatting.
What it does well
- ✓Adds highlighting features to the Gutenberg editor
- ✓Customizable marker styles with color, thickness, and opacity
- ✓Allows font size adjustments as a percentage
- ✓Enables underlining of text
- ✓Includes an option to clear all formatting
Where it falls short
- •Limited information on additional features or support
- •No details on compatibility with other plugins
Verdict
RichText Extension provides useful formatting tools for the Gutenberg editor, making it a practical choice for those looking to improve their text presentation.
From the developer
Aki Hamano's own description of RichText Extension, lightly tidied.
RichText Extension adds useful decorating features to gutenberg rich text editor.
Highlighter
Draw a marker on the inline text.
You can set the color, thickness, and opacity of the marker to you can create various marker styles.
Up to four types of settings can be made.
Font size
Change inline text size.
The size is specified as a percentage of the base font size, and up to four types of settings can be made.
Underline
Create underline.
Note: The underline specifications have changed from version 2.0.0. Try clearing the format if existing underlines do not work.
Clear format
Removes all formatting.