# Pandoc

> Free, open-source command-line converter that turns Markdown, DOCX, LaTeX, and 40+ formats into clean EPUB, PDF, and HTML.

Source: https://selfpublishingdirectory.com/formatting/pandoc
Website: https://pandoc.org
Category: Formatting & Layout (https://selfpublishingdirectory.com/formatting)
Pricing: free — $0
AI-powered: no
Tags: conversion-tool, free, open-source, command-line, markdown, epub, pdf, cross-platform
Last verified: 2026-07-01
Best For: Technical and nonfiction authors who draft in Markdown and want scriptable, batch conversion pipelines
Formats Supported: markdown, docx, epub, pdf, html, latex, odt, rtf
Platform: windows, mac, linux
Tool Type: conversion-tool

Pandoc is the "universal document converter" — a free, open-source command-line tool that moves text between more than 40 formats. It isn't a book formatter with themes and page design; it's the plumbing that gets a manuscript from one format to another cleanly. Authors who draft in Markdown or plain text lean on it to produce well-structured EPUB and HTML, and it's a common first step in a "write in Markdown → Pandoc → Draft2Digital/KDP" workflow.

## Why Authors Use It

- **Best for:** Technical and nonfiction authors comfortable with a terminal who want repeatable, scriptable conversions rather than clicking through a GUI
- **Broad format support:** Converts between Markdown, DOCX, HTML, LaTeX, ODT, RST, and EPUB 2/3, plus PDF output via a LaTeX engine
- **Cleaner semantic output:** Strips Word's ad-hoc direct formatting more aggressively than most converters, often yielding tidier, more standards-compliant EPUB
- **Batch and automation:** Because it runs from the command line, you can convert dozens of files or rebuild a book from source with a single script
- **Completely free:** GPL-licensed and actively maintained on GitHub; no tiers, no paywalled features

## Limitations

- **Command-line only:** No graphical interface and no live preview — the learning curve is real for non-technical authors
- **PDF needs a LaTeX install:** High-quality PDF output requires installing a separate LaTeX engine, which adds setup friction
- **Not a layout tool:** For designed print interiors or themed ebooks, pair it with a formatter like Vellum, Atticus, or Affinity Publisher

## Alternatives

- **Calibre** (free) — a GUI alternative with its own converter and library manager; friendlier for non-technical users, though less precise on semantic cleanup
- **Sigil** (free) — for hand-polishing the EPUB Pandoc produces at the HTML/CSS level