This is a tool that enables Moodle to use a separat Linux server with LibreOffice for converting documents. For example, this is useful in assignment submissions. In combination with a Linux Ubuntu server with LibreOffice, submitted text documents, spreadsheets, and presentations are automatically converted to PDF to simplify the grading workflow.
The plugin uses a Flask rest interface to a LibreOffice on a Linux server. The installation and configuration of the Flask rest interface is described in the associated repository.