Firefox - Change the icon of the main window

October 2016


How to change the firefox icon?


First go to the folder where you installed Firefox,
  • By default: C:\Program Files\Mozilla Firefox .
  • Open the Chrome folder.
  • In it, create a new folder and name it as icons and open it.
  • Create another folder called "default"
  • It should look like that C:\program files\Mozilla Firefox\chrome\icons\default.
  • Copy paste the icon file you want to use and then rename it as main-window.ico
  • Restart Firefox

Related :

This document entitled « Firefox - Change the icon of the main window » from CCM ( is made available under the Creative Commons license. You can copy, modify copies of this page, under the conditions stipulated by the license, as this note appears clearly.