Markdown guides

Short, practical guides to reading and writing Markdown.

Markdown Cheat SheetThe complete Markdown cheat sheet with examples: headings, emphasis, lists, links, images, code, tables, task lists, footnotes, alerts, math and diagrams.
How to Open .md Files (Windows, Mac, iPhone, Android & Online)What an .md file is and the easiest ways to open and read one — online in your browser, or on Windows, macOS, iPhone, iPad and Android.
How to Convert Markdown to PDF (Free, Online)Convert any Markdown (.md) file to a clean, well-formatted PDF in your browser — free, with no upload. Plus tips for page breaks, margins and code blocks.
What Is Markdown? A Plain-English IntroductionMarkdown is a simple way to format plain text using symbols like # and *. Learn what it is, where it’s used, how .md files work and how to start writing it.