Quill is a JavaScript rich text editor library used to build WYSIWYG web editors. It serves as a modular editor framework for creating browser-based document authoring tools with a customizable interface and document model.
The system functions as a modular content editor, providing a plugin system to extend formatting and embedding capabilities. This allows for the development of specialized text editors through custom modules and formatting plugins.
The library covers the implementation of visual content creation interfaces that render formatted text and media in real time. Its primary capabilities include rich text editing and the integration of visual authoring tools into web applications.