Word (OpenXML) to PDF

.doc

DOCX → DOC

.odt

DOCX → ODT

.rtf

DOCX → RTF

.txt

DOCX → TXT

.html

DOCX → HTML

.txt

PDF → TXT

.md

PDF → MD

.html

PDF → HTML

.pptx

PDF → PPTX

.xlsx

PDF → XLSX