withExEditor is a free Chrome add-on developed by asamuzaK.jp. This add-on allows users to conveniently view, edit, and select text using their favorite text editor. With withExEditor, users can easily access the "View source," "View selection," and "Edit text" options from the right-click context menu.

This add-on supports various programming languages and file types, including XHTML, JavaScript, CSS, MathML, SVG, XML, and more. Users can seamlessly edit text in these formats with their preferred text editor. However, to use withExEditor, users need to have a host that executes their chosen editor. The host for withExEditor can be downloaded from the asamuzaK/withExEditorHost GitHub repository.

With its simple integration and wide range of supported file types, withExEditor is a useful tool for developers and users who frequently work with text editing in Chrome.