Markdown to HTML conversion is one of the most essential workflows in modern web development. Every day, millions of developers, technical writers, and content creators use a markdown converter to transform lightweight plain-text formatting into structured HTML for websites, documentation, and applications. Whether you need to convert markdown to html for a blog post, render README files on GitHub, or build a documentation site with a markdown parser, understanding this conversion pipeline is critical. From simple inline formatting to complex tables and code blocks, markdown to html transformation powers the content layer of countless platforms. If you need a quick markdown to html online conversion, our free tool handles it instantly with live preview and syntax highlighting.
Try our free online Markdown to HTML converter with live preview.
TL;DR
Markdown is a lightweight plain-text formatting language that converts to HTML. In JavaScript, use markdown-it (extensible, CommonMark-compliant) or marked (lightweight and fast). In Python, use mistune (fastest) or the markdown library. For CLI, use pandoc. In React projects, use react-markdown or MDX. GFM (GitHub Flavored Markdown) adds tables, task lists, and strikethrough. Always sanitize user-input Markdown against XSS. Use @tailwindcss/typography prose class to style output.
Key Takeaways
- Markdown converts to HTML through a 3-phase pipeline: tokenization, AST construction, and HTML rendering
- CommonMark is the base specification; GFM adds tables, task lists, strikethrough, and autolinks
- Library comparison: marked (fast, lightweight), markdown-it (extensible), remark (AST-driven), Goldmark (Go)
- Security first: always sanitize user-generated Markdown with DOMPurify or similar to prevent XSS
- Advanced extensions include math (KaTeX), Mermaid diagrams, YAML front matter, and auto-generated TOC
What Is Markdown?
Markdown is a lightweight markup language created by John Gruber in 2004, with significant contributions from Aaron Swartz. The original goal was to create a plain-text formatting syntax that is easy to read and write, and that can be converted to structurally valid XHTML or HTML. Unlike HTML, which uses verbose angle-bracket tags, markdown syntax relies on intuitive punctuation characters like asterisks, hashes, and brackets to indicate formatting. The language was designed so that even the raw source text is readable without rendering.
Since its creation, Markdown has become the de facto standard for writing content on the web. GitHub adopted it for README files, issues, and pull requests. Reddit uses a Markdown variant for comments and posts. Stack Overflow relies on Markdown for questions and answers. Documentation platforms like Read the Docs, GitBook, and Docusaurus all use Markdown as their primary authoring format. Static site generators such as Hugo, Jekyll, Gatsby, and Astro process Markdown files to generate HTML pages.
The appeal of Markdown lies in its simplicity and portability. A .md file is just plain text, so it works with any text editor, version control system, or operating system. There is no vendor lock-in, no proprietary format, and no binary encoding. When you need to publish content on the web, a markdown to html converter transforms your plain-text source into semantic HTML that browsers can render. This separation of content (Markdown) from presentation (HTML/CSS) is a key architectural principle in modern content management.
Markdown Syntax Reference
Understanding markdown syntax is the first step to effective Markdown-to-HTML conversion. Here is a comprehensive reference of the most commonly used formatting elements and their HTML equivalents:
Headings: Use # through ###### for heading levels 1 through 6. For example, # Title becomes <h1>Title</h1>, and ## Subtitle becomes <h2>Subtitle</h2>. Alternatively, you can use underlines: a line of = under text creates an H1, and a line of - creates an H2.
Bold and Italic: Wrap text in single asterisks or underscores for italic (*italic* or _italic_), double for bold (**bold** or __bold__), and triple for bold italic (***bold italic***). The markdown renderer converts these to <em> and <strong> tags respectively.
Links and Images: Create links with [text](url) and images with . You can add optional titles: [text](url "title"). Reference-style links use [text][id] with a separate definition [id]: url. These convert to <a href> and <img src> tags in HTML.
Code: Inline code uses single backticks: `code` becomes <code>code</code>. Fenced code blocks use triple backticks with an optional language identifier for syntax highlighting. Indented code blocks (4 spaces or 1 tab) are also supported. The markdown to html javascript libraries typically support syntax highlighting through plugins.
Lists: Unordered lists use -, *, or + as markers. Ordered lists use numbers followed by periods (1.). Nested lists are created by indenting with 2 or 4 spaces. These convert to <ul>/<ol> with <li> elements.
Blockquotes: Prefix lines with > to create blockquotes. They can be nested (>>) and can contain other Markdown elements. The md to html conversion wraps these in <blockquote> tags.
Tables: Create tables using pipes (|) and hyphens (-). The header row is separated from data rows by a divider line of hyphens. Colons in the divider control alignment: :--- for left, :---: for center, ---: for right. Tables are converted to full <table> structures with <thead> and <tbody>.
Horizontal Rules: Three or more hyphens (---), asterisks (***), or underscores (___) on a line create an <hr> element.
Task Lists: Use - [ ] for unchecked and - [x] for checked items. These render as interactive checkboxes in many markdown renderer implementations, using <input type="checkbox"> elements inside list items.
How Markdown to HTML Conversion Works
A markdown parser transforms plain-text Markdown into HTML through a multi-stage pipeline. Understanding this process helps you choose the right library and troubleshoot conversion issues. The typical markdown to html conversion follows three main phases:
Phase 1 - Tokenization (Lexical Analysis): The parser reads the raw Markdown string character by character and breaks it into a stream of tokens. Each token represents a meaningful element: a heading marker (#), a paragraph of text, a code fence (```), a list bullet, emphasis markers, etc. The tokenizer must handle context-sensitive rules, such as distinguishing between an asterisk used for emphasis versus an asterisk in a list item.
Phase 2 - AST Construction (Parsing): The token stream is organized into an Abstract Syntax Tree (AST), a hierarchical data structure that represents the document structure. Each node in the AST corresponds to a Markdown element: the root contains block-level nodes (paragraphs, headings, lists, code blocks), and each block node may contain inline nodes (text, emphasis, links, code spans). The AST captures nesting relationships, such as a bold span inside a link inside a list item.
Phase 3 - HTML Rendering: The AST is traversed depth-first, and each node is converted to its corresponding HTML element. A heading node becomes <h1>-<h6>, a paragraph becomes <p>, emphasis becomes <em>, and so on. The renderer handles proper nesting, attribute generation, and HTML entity escaping. Many markdown to html javascript libraries allow you to customize the rendering step with plugins or custom renderer functions.
The CommonMark specification (commonmark.org) provides a rigorous, unambiguous definition of Markdown syntax. Before CommonMark, different parsers would produce different HTML output for the same Markdown input due to ambiguities in the original specification. CommonMark resolves these ambiguities with over 600 examples and a detailed parsing algorithm. Most modern markdown converter libraries either implement CommonMark directly or use it as a baseline with extensions for features like tables and task lists.
Code Examples: Convert Markdown to HTML
JavaScript / Node.js (marked, markdown-it, showdown, remark)
JavaScript offers the richest ecosystem for markdown to html javascript conversion. Here are the most popular libraries with usage examples. The marked library is fast and lightweight, markdown-it is highly extensible with a plugin architecture, showdown works in both browser and Node.js, and remark (part of the unified ecosystem) provides AST-based transformation:
// ===== marked.js (fast, lightweight) =====
import { marked } from 'marked';
const markdown = '# Hello World\n\nThis is **bold** and *italic*.';
const html = marked(markdown);
// <h1>Hello World</h1>
// <p>This is <strong>bold</strong> and <em>italic</em>.</p>
// Configure marked options
marked.setOptions({
gfm: true, // GitHub Flavored Markdown
breaks: true, // Convert \n to <br>
pedantic: false, // Conform to CommonMark
sanitize: false, // Use DOMPurify instead
});
// ===== markdown-it (extensible, plugin-based) =====
import MarkdownIt from 'markdown-it';
import markdownItAnchor from 'markdown-it-anchor';
import markdownItToc from 'markdown-it-toc-done-right';
const md = new MarkdownIt({
html: true, // Allow HTML tags in source
linkify: true, // Auto-convert URLs to links
typographer: true, // Smart quotes, dashes
})
.use(markdownItAnchor) // Add anchors to headings
.use(markdownItToc); // Generate table of contents
const result = md.render('# Hello\n\n${toc}\n\n## Section 1\n\nContent here.');
// ===== showdown (browser + Node.js) =====
import showdown from 'showdown';
const converter = new showdown.Converter({
tables: true,
tasklists: true,
strikethrough: true,
ghCodeBlocks: true,
});
const htmlOutput = converter.makeHtml('## Hello\n\n- [x] Task done');
// ===== unified / remark ecosystem (AST-based) =====
import { unified } from 'unified';
import remarkParse from 'remark-parse';
import remarkGfm from 'remark-gfm';
import remarkRehype from 'remark-rehype';
import rehypeStringify from 'rehype-stringify';
import rehypePrism from 'rehype-prism-plus';
const file = await unified()
.use(remarkParse) // Parse Markdown to mdast
.use(remarkGfm) // Support GFM (tables, etc.)
.use(remarkRehype) // Transform mdast to hast
.use(rehypePrism) // Syntax highlighting
.use(rehypeStringify) // Serialize hast to HTML
.process('# Hello **World**');
console.log(String(file));
// <h1>Hello <strong>World</strong></h1>Python (markdown, mistune, markdown2)
Python provides several excellent libraries to convert markdown to html. The built-in markdown library supports extensions, mistune is one of the fastest Markdown parsers in any language, and markdown2 provides a simple API with many extras:
# ===== markdown library (standard, extensible) =====
import markdown
# Basic conversion
md_text = "# Hello World\n\nThis is **bold** text."
html = markdown.markdown(md_text)
# <h1>Hello World</h1>
# <p>This is <strong>bold</strong> text.</p>
# With extensions
html = markdown.markdown(md_text, extensions=[
'tables', # GFM-style tables
'fenced_code', # Fenced code blocks
'codehilite', # Syntax highlighting (requires Pygments)
'toc', # Table of contents
'footnotes', # Footnote support
'attr_list', # Attribute lists for styling
'md_in_html', # Markdown inside HTML blocks
])
# ===== mistune (fastest Python Markdown parser) =====
import mistune
# Basic usage
html = mistune.html(md_text)
# Custom renderer for advanced control
renderer = mistune.create_markdown(
escape=False,
plugins=['table', 'footnotes', 'strikethrough', 'task_lists']
)
html = renderer(md_text)
# ===== markdown2 (simple API, many extras) =====
import markdown2
html = markdown2.markdown(md_text, extras=[
"fenced-code-blocks",
"tables",
"strike",
"task_list",
"code-friendly",
"cuddled-lists",
"header-ids",
"metadata",
])
# Convert a file
with open("README.md", "r") as f:
html = markdown2.markdown(f.read(), extras=["fenced-code-blocks"])
# Python-Markdown extension: convert file to HTML file
import markdown
md = markdown.Markdown(extensions=['meta', 'toc'])
md.convertFile(input='doc.md', output='doc.html')Bash / CLI (pandoc, cmark, grip)
Command-line tools let you convert markdown to html directly from the terminal. Pandoc is the universal document converter, cmark is the reference CommonMark implementation, and grip provides GitHub-flavored Markdown preview:
# ===== pandoc (universal document converter) =====
# Basic Markdown to HTML
pandoc README.md -o output.html
# With standalone HTML (includes <head>, <body>)
pandoc README.md -s -o output.html
# With table of contents and syntax highlighting
pandoc README.md -s --toc --highlight-style=tango -o output.html
# GFM input format
pandoc -f gfm -t html README.md -o output.html
# With custom CSS
pandoc README.md -s --css=style.css -o output.html
# Convert multiple files
pandoc ch1.md ch2.md ch3.md -s --toc -o book.html
# ===== cmark (reference CommonMark implementation) =====
# Basic conversion
cmark README.md > output.html
# With smart typography (quotes, dashes)
cmark --smart README.md > output.html
# GFM extensions (cmark-gfm)
cmark-gfm -e table -e strikethrough -e tasklist README.md
# ===== grip (GitHub-flavored preview) =====
# Preview README in browser (uses GitHub API)
grip README.md
# Export to HTML file
grip README.md --export output.html
# Preview on specific port
grip README.md 0.0.0.0:8080
# ===== Simple pipe conversion with Node.js =====
echo "# Hello **World**" | npx marked
# <h1>Hello <strong>World</strong></h1>
cat README.md | npx marked > output.htmlReact / Next.js (react-markdown, MDX, rehype)
For React and Next.js applications, the markdown to html conversion happens at the component level. react-markdown renders Markdown as React components, MDX allows embedding JSX in Markdown, and rehype plugins handle post-processing like syntax highlighting with Prism or Shiki:
// ===== react-markdown (React component) =====
import ReactMarkdown from 'react-markdown';
import remarkGfm from 'remark-gfm';
import rehypeHighlight from 'rehype-highlight';
function MarkdownPreview({ content }: { content: string }) {
return (
<ReactMarkdown
remarkPlugins={[remarkGfm]}
rehypePlugins={[rehypeHighlight]}
components={{
// Custom component overrides
h1: ({ children }) => (
<h1 className="text-3xl font-bold mb-4">{children}</h1>
),
a: ({ href, children }) => (
<a href={href} className="text-blue-600 hover:underline"
target="_blank" rel="noopener noreferrer">
{children}
</a>
),
code: ({ className, children, ...props }) => {
const isInline = !className;
return isInline
? <code className="bg-gray-100 px-1 rounded">{children}</code>
: <code className={className} {...props}>{children}</code>;
},
}}
>
{content}
</ReactMarkdown>
);
}
// ===== MDX (Markdown + JSX) in Next.js =====
// next.config.js
import createMDX from '@next/mdx';
const withMDX = createMDX({
extension: /\.mdx?$/,
options: {
remarkPlugins: [remarkGfm],
rehypePlugins: [rehypeHighlight],
},
});
export default withMDX({
pageExtensions: ['ts', 'tsx', 'md', 'mdx'],
});
// app/blog/[slug]/page.tsx
import { MDXRemote } from 'next-mdx-remote/rsc';
export default async function BlogPost({ params }) {
const source = await getMarkdownContent(params.slug);
return <MDXRemote source={source} />;
}
// ===== Syntax highlighting with Shiki =====
import { unified } from 'unified';
import remarkParse from 'remark-parse';
import remarkRehype from 'remark-rehype';
import rehypeShiki from '@shikijs/rehype';
import rehypeStringify from 'rehype-stringify';
const html = await unified()
.use(remarkParse)
.use(remarkRehype)
.use(rehypeShiki, { theme: 'github-dark' })
.use(rehypeStringify)
.process(markdownContent);GitHub Flavored Markdown (GFM)
GitHub Flavored Markdown (GFM) is a superset of CommonMark developed by GitHub. It adds several features that are essential for software development workflows. GFM is formalized in the GFM specification (github.github.com/gfm/) and supported by most markdown converter libraries through extensions or built-in flags.
Tables: GFM tables use the pipe-and-hyphen syntax described in the syntax reference above. They support column alignment with colons and are widely used in documentation and README files. Most markdown parser libraries convert GFM tables to proper HTML <table> elements with <thead> and <tbody>.
Task Lists: GFM task lists (- [ ] and - [x]) render as checkboxes in GitHub issues, pull requests, and Markdown files. They are frequently used for tracking progress on features, bug fixes, and project milestones. A markdown renderer that supports GFM will convert these to list items containing checkbox inputs.
Strikethrough: Wrapping text in double tildes (~~deleted~~) renders as struck-through text using <del> tags. This is useful for indicating removed or deprecated content in documentation and changelogs.
Autolinks: GFM automatically converts URLs and email addresses into clickable links without requiring the explicit link syntax. A bare URL like https://example.com becomes an <a> tag automatically.
Footnotes and Alerts: Extended GFM supports footnotes ([^1]) for academic-style references and alert blocks (> [!NOTE], > [!WARNING], etc.) for callout-style notices in documentation. These features are commonly available as markdown parser extensions.
<!-- GFM Examples and their HTML output -->
<!-- Table with alignment -->
| Feature | CommonMark | GFM |
|:--------------|:----------:|------:|
| Tables | No | Yes |
| Task Lists | No | Yes |
| Strikethrough | No | Yes |
| Autolinks | No | Yes |
<!-- Converts to: -->
<table>
<thead>
<tr>
<th style="text-align:left">Feature</th>
<th style="text-align:center">CommonMark</th>
<th style="text-align:right">GFM</th>
</tr>
</thead>
<tbody>...</tbody>
</table>
<!-- Task list -->
- [x] Write the documentation
- [x] Add code examples
- [ ] Publish the article
<!-- Strikethrough -->
~~This text is deleted~~
<!-- Autolink -->
Visit https://example.com for details.
<!-- Footnote -->
Here is a statement[^1] with a footnote.
[^1]: This is the footnote content.
<!-- Alert blocks (GitHub-specific) -->
> [!NOTE]
> This is a note callout.
> [!WARNING]
> This is a warning callout.Advanced Markdown Features
Beyond basic and GFM syntax, the markdown to html ecosystem supports many advanced features through extensions and plugins:
Custom Containers / Directives: Libraries like markdown-it-container and remark-directive allow you to define custom block elements using a colon-fence syntax (::: warning). These are useful for creating styled callouts, admonitions, and content blocks in documentation sites. The markdown converter transforms them into <div> elements with custom CSS classes.
Mathematical Notation (KaTeX / MathJax): Math rendering is essential for scientific and academic documentation. Inline math uses $E = mc^2$ and display math uses $$...$$. Libraries like remark-math with rehype-katex or rehype-mathjax convert LaTeX math expressions into rendered formulas. This feature is widely used in Jupyter notebooks, academic papers, and technical documentation.
Diagrams with Mermaid: Mermaid is a JavaScript-based diagramming tool that uses a Markdown-inspired text syntax to generate flowcharts, sequence diagrams, Gantt charts, class diagrams, and more. By embedding Mermaid code in fenced code blocks (```mermaid), the markdown renderer can generate SVG diagrams directly from text descriptions, eliminating the need for external diagramming tools.
Front Matter: YAML front matter (delimited by ---) at the top of Markdown files stores metadata such as title, date, author, tags, and custom properties. Static site generators and md to html build tools parse this metadata to generate page titles, URL slugs, and taxonomy pages. Libraries like gray-matter (JavaScript) and python-frontmatter handle front matter extraction.
Table of Contents Generation: Many markdown parser plugins can automatically generate a table of contents (TOC) from heading structure. Plugins like remark-toc, markdown-it-toc-done-right, and Pandoc's --toc flag scan headings, generate anchor IDs, and insert a linked TOC at a designated location in the document.
<!-- Custom container (markdown-it-container) -->
::: warning
This is a warning message. Be careful!
:::
<!-- Renders as: -->
<div class="warning">
<p>This is a warning message. Be careful!</p>
</div>
<!-- Math with KaTeX -->
Inline math: $E = mc^2$
Display math:
$$
\sum_{i=1}^{n} x_i = \frac{n(n+1)}{2}
$$
<!-- Mermaid diagram -->
```mermaid
graph TD
A[Markdown Source] --> B[Tokenizer]
B --> C[AST Builder]
C --> D[HTML Renderer]
D --> E[HTML Output]
```
<!-- Front matter (YAML) -->
---
title: "My Blog Post"
date: 2024-01-15
author: "John Doe"
tags: [markdown, html, tutorial]
---
# My Blog Post
Content starts here...
<!-- Table of contents (remark-toc) -->
## Table of Contents
<!-- Auto-generated from headings -->
- [Introduction](#introduction)
- [Getting Started](#getting-started)
- [Advanced Usage](#advanced-usage)Markdown Best Practices
Following best practices ensures your Markdown files are consistent, accessible, and produce clean HTML output when processed by a markdown to html converter:
Consistent Heading Hierarchy: Always start with a single H1 (#) for the document title and use subsequent levels in order (H2, H3, etc.) without skipping levels. This creates a proper document outline that benefits both screen readers and SEO. Never use headings for visual styling; use CSS for that. Each heading level should represent a genuine structural subdivision of the content.
Descriptive Alt Text for Images: Always provide meaningful alt text in the  syntax. Alt text should describe the content and purpose of the image for users who cannot see it. Avoid generic text like "image" or "screenshot." Good alt text improves accessibility (WCAG compliance) and provides context when images fail to load.
Semantic Line Breaks: Consider breaking lines at sentence boundaries or logical phrase boundaries rather than at a fixed column width. This practice, sometimes called "semantic line breaks" or "ventilated prose," makes diffs more readable in version control systems like Git, since each sentence or clause appears on its own line.
Linting with markdownlint: Use markdownlint (available as a CLI tool, VS Code extension, and GitHub Action) to enforce consistent style across your Markdown files. The linter catches issues like inconsistent heading styles, trailing whitespace, missing blank lines around headings and lists, and bare URLs. Configure rules in a .markdownlint.json file to match your team's conventions.
Accessibility Considerations: Beyond alt text, ensure your Markdown produces accessible HTML by using proper heading structure, providing descriptive link text (avoid "click here"), using tables only for tabular data (not layout), and including language identifiers on code blocks for screen reader compatibility. When your markdown to html output is consumed by assistive technologies, these practices make a significant difference.
Frequently Asked Questions
How do I convert Markdown to HTML?
You can convert Markdown to HTML using a variety of tools and libraries. In JavaScript, popular choices include marked.js, markdown-it, showdown, and the unified/remark ecosystem. In Python, use the markdown library, mistune, or markdown2. For command-line conversion, pandoc and cmark are the standard tools. For a quick no-install solution, use an online Markdown to HTML converter that provides live preview and instant conversion. The conversion process involves parsing the Markdown syntax into tokens, building an Abstract Syntax Tree (AST), and rendering the AST as HTML elements.
What is the best Markdown to HTML library?
The best library depends on your use case. For JavaScript, markdown-it is the most popular choice due to its speed, CommonMark compliance, and rich plugin ecosystem. marked.js is lighter and faster but less extensible. For React applications, react-markdown is the standard. In Python, mistune is the fastest parser, while the markdown library offers the most extensions. For the unified ecosystem (remark/rehype), you get maximum flexibility with AST-based transformations. If you need a universal command-line tool, pandoc supports conversion between dozens of formats including Markdown and HTML.
What is the difference between GFM and CommonMark?
CommonMark is a strict, unambiguous specification of the original Markdown syntax created by John Gruber. It defines the core syntax including headings, paragraphs, links, images, emphasis, code blocks, lists, and blockquotes. GitHub Flavored Markdown (GFM) is a superset of CommonMark that adds extensions commonly needed in software development: tables, task lists (checkboxes), strikethrough text, autolinks, and disallowed raw HTML tags for security. Most modern Markdown parsers support both CommonMark and GFM, often with a simple configuration flag to enable GFM extensions.
Can I use Markdown in React and Next.js?
Yes. The most popular approach is using the react-markdown package, which renders Markdown as React components without dangerouslySetInnerHTML. For more advanced use cases, MDX lets you embed JSX components directly inside Markdown files. In Next.js, you can use @next/mdx for static MDX pages, or process Markdown at build time with remark and rehype plugins. The unified ecosystem (remark for Markdown, rehype for HTML) provides AST-based transformations that integrate seamlessly with React server components and static site generation.
How do I add syntax highlighting to Markdown code blocks?
Syntax highlighting for fenced code blocks requires a two-step process: first, the Markdown parser must preserve the language identifier from the code fence (e.g., ```javascript), and then a highlighting library must process the code. Popular options include Prism.js (via rehype-prism or remark-prism), Shiki (used by VitePress and Astro), and highlight.js (via rehype-highlight). In markdown-it, use the markdown-it-highlightjs plugin. For server-side rendering, Shiki is preferred because it generates inline styles that work without client-side JavaScript.
Is Markdown safe from XSS attacks?
Raw Markdown-to-HTML conversion can be vulnerable to cross-site scripting (XSS) if the input contains malicious HTML or JavaScript. Most Markdown parsers allow raw HTML by default, meaning an input like <script>alert("xss")</script> could be passed through to the output. To prevent XSS, use a sanitization library like DOMPurify or sanitize-html on the rendered output, or configure your parser to disable raw HTML (e.g., marked with sanitize option, or markdown-it with html: false). GFM also disallows certain dangerous HTML tags by default. Always sanitize user-generated Markdown before rendering it in the browser.
What is the best way to style HTML output from Markdown?
The best approach is to wrap your rendered HTML in a container element and apply CSS to child elements using a prose or typography class. Tailwind CSS provides the @tailwindcss/typography plugin with a "prose" class that beautifully styles all standard HTML elements. Alternatively, you can write custom CSS targeting elements like .markdown-body h1, .markdown-body p, .markdown-body code, etc. GitHub provides an open-source stylesheet called github-markdown-css that replicates their README rendering style. For React apps, you can use custom renderer components with react-markdown to apply styles at the component level.
결론
Markdown to HTML conversion is a foundational skill for every web developer and technical writer. From understanding the parsing pipeline to choosing the right library for your stack, mastering the markdown to html workflow enables you to build documentation sites, blogs, and content-rich applications with clean, semantic HTML output. Whether you use a markdown to html javascript library in the browser or a command-line markdown converter in your build process, the principles remain the same. Bookmark this guide for quick reference, and use our free online tool for instant conversion.
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