About pandoc
If you need to convert files from one markup format into another, pandoc is your swiss-army knife. Pandoc can convert documents in markdown, reStructuredText, textile, HTML, DocBook, LaTeX, MediaWiki markup, TWiki markup, OPML, Emacs Org-Mode, Txt2Tags, Microsoft Word docx, LibreOffice ODT, EPUB, or Haddock markup to
- HTML formats: XHTML, HTML5, and HTML slide shows using Slidy, reveal.js, Slideous, S5, or DZSlides.
 - Word processor formats: Microsoft Word docx, OpenOffice/LibreOffice ODT, OpenDocument XML
 - Ebooks: EPUB version 2 or 3, FictionBook2
 - Documentation formats: DocBook, TEI Simple, GNU TexInfo, Groff man pages, Haddock markup
 - Page layout formats: InDesign ICML
 - Outline formats: OPML
 - TeX formats: LaTeX, ConTeXt, LaTeX Beamer slides
 - PDF via LaTeX
 - Lightweight markup formats: Markdown (including CommonMark), reStructuredText, AsciiDoc, MediaWiki markup, DokuWiki markup, Emacs Org-Mode, Textile
 - Custom formats: custom writers can be written in lua.
 
installing
you can install pandoc from its website
geting started
for example, if you want to convert latex file (demo.tex )into md, then you can :
- change path into the file directory
 - use the command 
pandoc demo.tex -f latex -t markdown -s -o demo.mdconvert latex to markdown - use the commond 
pandoc demo.md -f markdown -t html -s -o demo.htmlconvert markdown to html 
pretty simple right ?!
for more information, you can see from http://pandoc.org