Package unoconv

A tool to convert documents from/to any format supported by LibreOffice

http://dag.wieers.com/home-made/unoconv/

Universal Office Converter (unoconv) is a command line tool to convert any
document format that LibreOffice can import to any document format that
LibreOffice can export. It makes use of the LibreOffice's UNO bindings for
non-interactive conversion of documents.

Supported document formats include Open Document Format (.odg, .odp, .ods,
.odt), MS Word (.doc), MS Office Open/MS OOXML (.docx, .pptx, .xlsx), PDF,
HTML, RTF, and many more.
General Commands
Command Description
unoconv convert any document from and to any LibreOffice supported format