Markdown to HTML Converter: Free Online Tool

Markdown has become the default writing format for developers. README files, documentation sites, blog posts, GitHub issues, Notion pages, Slack messages — Markdown is everywhere. But at some point, you need actual HTML. Whether you're dropping content into a CMS, building an email template, serving a static page, or debugging what your Markdown renderer is producing, you need a fast way to go from .md to .html . A Markdown to HTML converter does exactly that. This guide covers everything from basic Markdown syntax to advanced use cases, common pitfalls, and how to get the most out of an online converter. What Is Markdown? Markdown is a lightweight markup language created by John Gruber in 2004. The core idea was simple: write plain text using intuitive formatting conventions that are readable as-is, but can also be converted to HTML. A # becomes an <h1> . **bold** becomes <strong>bold</strong> . A blank line separates paragraphs into <p> tags. The genius of Markdown is that the source