How to Change Font Size in Eclipse IDE?

On Mac/Linux:

  1. Eclipse toolbar Eclipse → Preferences OR Command + , (comma)
  2. General  Appearance  Colors and Fonts  Basic  Text Font 
  3. edit and Apply

 Windows:

  1. On the Eclipse toolbar, select Window  Preferences.
  2. General  Appearance  Colors and Fonts  Basic  Text Font):

you can use this also: