HTML Basics for Line Spacing. By default, documents created using HTML are displayed in a single-spaced format. If you want to introduce additional line spacing, there are a few techniques that ...

You can double space in Google Docs using the "Line spacing" menu, which is available both on the website and in the mobile app.

How to double space in Google Docs If you're using a computer, open your file on Google Docs. Adjusting line and paragraph spacing on a blank page will format the entire document accordingly.