@devkits/markdown-tools

Parse and render Markdown to HTML. Extract headings, generate TOC. Zero-dependency Markdown utilities for developers.

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This package is part of DevKits — 82+ free developer tools. The online Markdown Editor offers live preview, export to PDF/HTML, and theme customization.

→ Try Live Markdown Editor

Installation

npm install @devkits/markdown-tools

Usage

const {
  render,
  extractHeadings,
  toc,
  countWords,
  parseInline
} = require('@devkits/markdown-tools');

const md = `
# Hello World

This is **bold** and *italic* text.

## Features

- Item 1
- Item 2
- Item 3

### Code Example

\`\`\`javascript
console.log('Hello');
\`\`\`

> This is a blockquote

| Col1 | Col2 |
|------|------|
| A    | B    |
`;

// Render Markdown to HTML
const html = render(md);
// '<h1>Hello World</h1><p>This is <strong>bold</strong>...'

// Extract headings
const headings = extractHeadings(md);
// [
//   { level: 1, text: 'Hello World', id: 'hello-world' },
//   { level: 2, text: 'Features', id: 'features' },
//   { level: 3, text: 'Code Example', id: 'code-example' }
// ]

// Generate table of contents
const tableOfContents = toc(md);
// '<ul><li><a href="#hello-world">Hello World</a>...'

// Count words
const stats = countWords(md);
// { words: 25, chars: 234, lines: 20 }

// Parse inline elements only
parseInline('**bold** and *italic*');
// '<strong>bold</strong> and <em>italic</em>'

API

render(markdown)

Renders full Markdown text to HTML string.

Supports:

• Headers (h1-h6)
• Bold, italic, strikethrough
• Inline code and code blocks
• Links and images
• Ordered and unordered lists
• Blockquotes
• Tables
• Horizontal rules

parseInline(text)

Parses only inline elements (no blocks).

extractHeadings(markdown)

Extracts all headings with level, text, and generated ID.

toc(markdown, options)

Generates HTML table of contents.

Options:

• minLevel: Minimum heading level (default: 1)
• maxLevel: Maximum heading level (default: 6)

countWords(markdown)

Counts words, characters, and lines (excluding code blocks).

escapeHtml(s)

Escapes HTML special characters.

Supported Markdown

| Element | Syntax | |---------|--------| | Headers | # H1 through ###### H6 | | Bold | **text** or __text__ | | Italic | *text* or _text_ | | Strikethrough | ~~text~~ | | Code | `code` and ``` | | Links | [text](url) | | Images | ![alt](src) | | Lists | - item or 1. item | | Blockquotes | > quote | | Tables | \| col \| | | HR | --- or *** |

See Also

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License

MIT