Building Extensions

Create and build .roboFontExt files.

Plugin Name Name of the extension
Plugin Icon The file can have a custom icon, if set.
Version Version of the extension.
Developer Developer of the extension.
Developer’s URL Developer URL of the extension.
HTML help root Root folder where the HTML help can be found. A index.html is required.
Resources root Root folder where all the resources can be found. Resources are all necessary files except Python files.
Script Root

Root folder where all the necessary Python files can be found.

  • Launch during start up

    A bool indicating if a script has to be run during start up of RoboFont. Select a Python file from the list. This will be the Python file that will be executed during start up.

  • Add Script to main menu

    Select which scripts will be added to the Extensions menu item. Additionally, a nice name and shortcut can be set for each Python file in the script root.

Requires RoboFont The minimum required versions of RoboFont.


Build the extension in a given folder.


Import an existing extension.


Empty all fields in the Extension Builder.


Close the Extension Builder window.