rte_ckeditor is the official system extension that integrates the CKEditor JavaScript library as the default Rich Text Editor (RTE) inside the TYPO3 CMS backend. It allows content managers to create, format, and edit formatted text (WYSIWYG) without needing to manually write HTML code. [1, 2]

Core Capabilities

• Text Formatting: Applies styles like bold, italics, underlines, and custom CSS classes directly to text.
• Structure Management: Creates headers, ordered and unordered lists, bullet points, and data tables.
• Integrated Link Browser: Connects text to internal pages, media files, and external URLs via the TYPO3 Link API.
• Plugin Architecture: Supports extensibility using native CKEditor plugins and custom ES6 JavaScript modules. [1, 2, 3, 4, 5]