Toad for Oracle - How to change the editor font?

1. Go to View --> Toad Options
2. Go to Editor --> Font and Styling in the left menu
3. Make any changes to colors, fonts, and font sizes for various types of content

In early releases:

1. Go to the Editor→Behaviour options.
2. Look for the languages section, select PL/SQL and hit Edit.
3. This opens another window. Go to the Highlighting tab.
4. Ensure Default is selected in the Styles and choose Custom Font for Style Type.
5. Hit the Custom Font button and change the font size.
6. OK out of the options windows.