DMD - Document Markdown

A specialized markdown language for generating professional PDF documents. DMD extends markdown with powerful features for document layout, styling, and formatting.

Installation

Requirements: pdfmake 0.3.5 or higher

npm install dmd-to-pdf [email protected]

CDN (Browser):

<script src="https://cdn.jsdelivr.net/npm/[email protected]/build/pdfmake.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/dmd-to-pdf/dist/dmd.umd.js"></script>

Quick Start

Browser:

// DMD is available as global after loading the script
const document = `
:::config
title: My Document
author: John Doe
:::

# Hello World

This is a **DMD** document with *rich formatting*.

## Features

- Simple markdown syntax
- Professional PDF output
- Tables, lists, and more
`;

// Generate PDF
const pdfBlob = await DMD.createPdf(document);

Node.js:

// Setup pdfmake
const pdfmake = require('pdfmake');
const vfsFonts = require('pdfmake/build/vfs_fonts');
pdfmake.vfs = vfsFonts.pdfMake.vfs;

// Import DMD
const DMD = require('dmd-to-pdf');

const pdfBuffer = await DMD.createPdf('# Hello World');

Free vs Pro Features

| Feature | Free | Pro | |---------|:----:|:---:| | Basic markdown (headings, text, lists) | ✓ | ✓ | | Document config (title, margins, page size) | ✓ | ✓ | | Basic tables | ✓ | ✓ | | Multi-column layouts | ✓ | ✓ | | Images & SVG | ✓ | ✓ | | Links | ✓ | ✓ | | Headers & footers | ✓ | ✓ | | Inline styling [text]{::style} | ✓ | ✓ | | Custom fonts (non-Roboto) | - | ✓ | | Watermarks | - | ✓ | | Background layers | - | ✓ | | Table of contents & bookmarks | - | ✓ | | QR codes | - | ✓ | | Block styling ::style-name | - | ✓ | | Table/list/column styling | - | ✓ |

Enabling Pro Features

// Set your license key to enable Pro features
const result = await DMD.setLicense('DMD-XXXX-XXXX-XXXX-XXXX');

if (result.valid) {
  console.log('Pro features enabled!');
}

Get a license at dmdlang.dev/pricing

API Reference

DMD.createPdf(source, format?)

Generate a PDF from DMD source.

• source - DMD formatted string
• format - Output format: 'blob' (default), 'base64', 'dataUrl', 'buffer' (Node.js)

DMD.extractConfig(source)

Extract metadata and config without generating PDF.

DMD.loadImages(imageMap)

Preload images for better performance.

await DMD.loadImages({
  logo: 'https://example.com/logo.png',
  banner: '/images/banner.jpg'
});

DMD.loadFonts(fontMap)

Load custom fonts. (Pro)

await DMD.loadFonts({
  'MyFont': {
    normal: 'https://example.com/font.ttf',
    bold: 'https://example.com/font-bold.ttf'
  }
});

DMD.setLicense(key)

Set and validate a license key.

DMD.isPro()

Check if Pro features are enabled.

See full API documentation at DMD_API.md

DMD Syntax

:::config
title: Document Title
author: Author Name
pageSize: A4
pageMargins: [40, 60, 40, 60]
:::

:::styles
title:
  fontSize: 24
  bold: true
  color: "#333333"
:::

# [Document Title]{::title}

Regular paragraph with **bold** and *italic* text.

## Lists

- Item one
- Item two
  - Nested item

## Tables

::table
Name | Age | City
Alice | 30 | New York
Bob | 25 | London
::

## Links

[Visit our website]{url: https://dmdlang.dev}

## Images

[Company Logo]{img: logo}

Documentation

• Website: dmdlang.dev
• Playground: dmdlang.dev/#playground
• API Reference: DMD_API.md
• LLM Context: dmdlang.dev/llms.txt

License

This software is proprietary. See LICENSE for details.

• Free Features: Available for personal and commercial use
• Pro Features: Require a valid license key

Copyright (c) 2026-present JSA DESENVOLVIMENTO DE SOFTWARES LTDA. All rights reserved.