If you need to convert files from one markup format into another, pandoc is your swiss-army knife. Pandoc can convert between the following formats: (← = conversion from; → = conversion to; ↔︎ = conversion from and to) Lightweight markup formats ↔︎ Markdown (including CommonMark and GitHub-flavored Markdown) ↔︎ reStructuredText → AsciiDoc ↔︎ Emacs Org-Mode ↔︎ Emacs Muse ↔︎ Textile → Markua ← txt2t
