MRW Simplified Editor

Learn how to customize the Gutenberg block editor to display only the necessary options and blocks, enhancing its simplicity and cleanliness for a more streamlined editing experience.

Extract from WordPress.org

Help your site’s editors create semantic content and style it with the theme for consistent formatting and portable content. This plugin removes blocks and other styling options to help editors focus.

https://wordpress.org/plugins/mrw-web-design-simple-tinymce/