You can click this icon, or use the keyboard shortcut Control+G, to see a table of contents in an overlay. There’s not a lot else to this extension—sadly, you can’t customize it at all.

Using a computer. 1. Navigate to docs.google.com and open the document that you want to add a table of contents to. Select a document with multiple sections, each set apart by header text. 2. In ...

Note that the table of contents automatically generates based on headlines. When you write headlines, make sure to click on a headline style: Heading 1 , Heading 2 , Heading 3, etc.