Instructions on how to change menu font size on Ubuntu

  • Launch PDF Studio
  • Click Edit -> Preferences
  • Select Display tab
  • Take a look at “Look and Feel” section -> select “GTK+” on the selection box


  • Click OK and exit PDF Studio
  • Click Search icon on Ubuntu -> Input “displays” and then select “Displays” app


  • Change the value on “Scale for menu and title bars” -> Apply


  • Open PDF Studio to see if menu is getting bigger

Some Linux distributions might not have this option.

Note that for the Ambiance theme, the menu text may be difficult to read, please make sure to look at Workaround 1 mentioned in our other knowledge base entry:

Menu text visibility issue in Ambiance theme for Ubuntu