The Ubuntu operating system now comes standard with the LibreOffice application suite. LibreOffice includes Writer, a word processor that uses the ODT file format as the default format to save documents. In the past, users had to get a special extension for LibreOffice to use PDFs. However, importing PDFs now comes as a native feature of the software suite. Once imported into LibreOffice, you can convert the PDF to a different format. Tips Writer Bio

How to Convert a PDF to ODT in Ubuntu - 60