markedjs/marked

A markdown parser and compiler. Built for speed.

37,132

stars

3,429

commits

JavaScript

primary language

Sep 10, 2026

updated

marked.js.org

commonmark

compiler

gfm

hacktoberfest

markdown

parser

README

Marked

⚡ built for speed
⬇️ low-level compiler for parsing markdown without caching or blocking for long periods of time
⚖️ light-weight while implementing all markdown features from the supported flavors & specifications
🌐 works in a browser, on a server, or from a command line interface (CLI)

Demo

Check out the demo page to see Marked in action ⛹️

Docs

Our documentation pages are also rendered using marked 💯

Compatibility

Node.js: Only current and LTS Node.js versions are supported. End of life Node.js versions may become incompatible with Marked at any point in time.

Browser: Baseline Widely Available

Installation

CLI:

npm install -g marked

In-browser:

npm install marked

Usage

Warning: 🚨 Marked does not sanitize the output HTML. Please use a sanitize library, like DOMPurify (recommended), sanitize-html or insane on the output HTML! 🚨

DOMPurify.sanitize(marked.parse(`<img src="x" onerror="alert('not happening')">`));

CLI

# Example with stdin input
$ marked -o hello.html
hello world
^D
$ cat hello.html
<p>hello world</p>

# Print all options
$ marked --help

Node.js

import { marked } from 'marked';
const html = marked.parse('# Marked in Node.js');
console.log(html);

Browser

<!doctype html>
<html>
<head>
  <meta charset="utf-8"/>
  <title>Marked in the browser</title>
</head>
<body>
  <div id="content"></div>
  <script src="https://cdn.jsdelivr.net/npm/marked/lib/marked.umd.js"></script>
  <script>
    document.getElementById('content').innerHTML =
      marked.parse('# Marked in the browser\n\nRendered by **marked**.');
  </script>
</body>
</html>

or import esm module

<script type="module">
  import { marked } from "https://cdn.jsdelivr.net/npm/marked/lib/marked.esm.js";
  document.getElementById('content').innerHTML =
    marked.parse('# Marked in the browser\n\nRendered by **marked**.');
</script>

License

Contributors

(top 30 of 220)

1,019 commits

693 commits

519 commits

246 commits

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Languages

JavaScript

36.7%

TypeScript

35.1%

HTML

28.3%

markedjs/marked

A markdown parser and compiler. Built for speed.

37,132

stars

3,429

commits

JavaScript

primary language

Sep 10, 2026

updated

marked.js.org

commonmark

compiler

gfm

hacktoberfest

markdown

parser

README

Marked

⚡ built for speed
⬇️ low-level compiler for parsing markdown without caching or blocking for long periods of time
⚖️ light-weight while implementing all markdown features from the supported flavors & specifications
🌐 works in a browser, on a server, or from a command line interface (CLI)

Demo

Check out the demo page to see Marked in action ⛹️

Docs

Our documentation pages are also rendered using marked 💯

Compatibility

Node.js: Only current and LTS Node.js versions are supported. End of life Node.js versions may become incompatible with Marked at any point in time.

Browser: Baseline Widely Available

Installation

CLI:

npm install -g marked

In-browser:

npm install marked

Usage

Warning: 🚨 Marked does not sanitize the output HTML. Please use a sanitize library, like DOMPurify (recommended), sanitize-html or insane on the output HTML! 🚨

DOMPurify.sanitize(marked.parse(`<img src="x" onerror="alert('not happening')">`));

CLI

# Example with stdin input
$ marked -o hello.html
hello world
^D
$ cat hello.html
<p>hello world</p>

# Print all options
$ marked --help

Node.js

import { marked } from 'marked';
const html = marked.parse('# Marked in Node.js');
console.log(html);

Browser

<!doctype html>
<html>
<head>
  <meta charset="utf-8"/>
  <title>Marked in the browser</title>
</head>
<body>
  <div id="content"></div>
  <script src="https://cdn.jsdelivr.net/npm/marked/lib/marked.umd.js"></script>
  <script>
    document.getElementById('content').innerHTML =
      marked.parse('# Marked in the browser\n\nRendered by **marked**.');
  </script>
</body>
</html>

or import esm module

<script type="module">
  import { marked } from "https://cdn.jsdelivr.net/npm/marked/lib/marked.esm.js";
  document.getElementById('content').innerHTML =
    marked.parse('# Marked in the browser\n\nRendered by **marked**.');
</script>