# Marks

## toc

## Introduction
One or multiple marks can be applied to [nodes](/api/nodes), for example to add inline formatting like bold and italic, or other additional information.

## List of supported marks
| Title                              | Default Extension | Source Code                                                                                  |
| ---------------------------------- | ----------------- | -------------------------------------------------------------------------------------------- |
| [Bold](/api/marks/bold)            | Yes               | [GitHub](https://github.com/ueberdosis/tiptap/blob/main/packages/extension-bold/)       |
| [Code](/api/marks/code)            | Yes               | [GitHub](https://github.com/ueberdosis/tiptap/blob/main/packages/extension-code/)       |
| [Highlight](/api/marks/highlight)  | –                 | [GitHub](https://github.com/ueberdosis/tiptap/blob/main/packages/extension-highlight/)  |
| [Italic](/api/marks/italic)        | Yes               | [GitHub](https://github.com/ueberdosis/tiptap/blob/main/packages/extension-italic/)     |
| [Link](/api/marks/link)            | –                 | [GitHub](https://github.com/ueberdosis/tiptap/blob/main/packages/extension-link/)       |
| [Strike](/api/marks/strike)        | Yes               | [GitHub](https://github.com/ueberdosis/tiptap/blob/main/packages/extension-strike/)     |
| [TextStyle](/api/marks/text-style) | Yes               | [GitHub](https://github.com/ueberdosis/tiptap/blob/main/packages/extension-text-style/) |
| [Underline](/api/marks/underline)  | –                 | [GitHub](https://github.com/ueberdosis/tiptap/blob/main/packages/extension-underline/)  |
