@markdown-media/wasm

Convert HWP, HWPX, PDF, DOCX to clean Markdown — in the browser or Node.js.

Rust-powered WebAssembly engine. No server required.

Install

npm install @markdown-media/wasm

Quick Start

Browser

<input type="file" id="file" accept=".hwp,.hwpx,.pdf,.docx" />
<pre id="output"></pre>

<script type="module">
  import init, { convert_to_markdown, detect_format } from '@markdown-media/wasm';

  await init();

  document.getElementById('file').addEventListener('change', async (e) => {
    const file = e.target.files[0];
    const data = new Uint8Array(await file.arrayBuffer());

    const format = detect_format(data, file.name);
    console.log('Detected format:', format);

    const markdown = convert_to_markdown(data, file.name);
    document.getElementById('output').textContent = markdown;
  });
</script>

Node.js

import { readFileSync } from 'fs';
import init, { convert_to_markdown, convert_to_json } from '@markdown-media/wasm';

await init();

const data = new Uint8Array(readFileSync('report.hwp'));
const markdown = convert_to_markdown(data, 'report.hwp');
console.log(markdown);

// Or get structured output (format, version, markdown, metadata)
const json = JSON.parse(convert_to_json(data, 'report.hwp'));
console.log(json.metadata);

API

convert_to_markdown(data: Uint8Array, filename: string): string

Convert a document to Markdown. Format is auto-detected from filename and magic bytes.

convert_to_json(data: Uint8Array, filename: string): string

Convert a document to a JSON string:

{
  "format": "hwp",
  "version": "5.0.1.7",
  "markdown": "# Title\n\nContent...",
  "metadata": { "author": "...", "title": "..." }
}

detect_format(data: Uint8Array, filename: string): string

Returns "hwp", "hwpx", "pdf", "docx", or "unknown".

get_version(): string

Returns the engine version.

Supported Formats

| Format | Extension | Status | |--------|-----------|--------| | HWP 5.0 | .hwp | Full support | | HWPX | .hwpx | Full support | | PDF | .pdf | Text extraction | | DOCX | .docx | Full support |

Also Available

• Python: pip install mdm-parser (PyPI)
• CLI: cargo install mdm-core (Rust)
• Desktop: MDM Desktop (macOS)

License

MIT