RichText Extension is a free WordPress plugin designed to enhance the Gutenberg rich text editor by providing additional formatting options. This tool enables users to add decorative features such as highlighters, allowing for customizable text highlights in various colors, thicknesses, and opacities. Users can create up to four different marker styles, making it easier to emphasize important text within their documents.

In addition to highlighting, the RichText Extension allows for adjustments in font size, specified as a percentage of the base font size, accommodating up to four different settings. Users can also create underlines for inline text, with a notable change in specifications from versionthat may require users to clear existing formats for proper functionality. The plugin also includes a clear format option to remove all text formatting, providing a straightforward way to reset text appearance.