node-docx-html-converter

DOCX ↔ HTML conversion via Rust WASM. Two main functions:

• docxToHtml — DOCX bytes → HTML string
• htmlToDocx — HTML string → DOCX bytes

Install

npm install node-docx-html-converter

Usage

ESM (sync)

import { docxToHtml, htmlToDocx } from 'node-docx-html-converter';
import fs from 'fs';

// DOCX → HTML
const docxBuffer = fs.readFileSync('document.docx');
const html = docxToHtml(docxBuffer);
// or embeddable fragment:
const embed = docxToHtml(docxBuffer, { embed: true });

// HTML → DOCX
const htmlStr = fs.readFileSync('output.html', 'utf8');
const docxBytes = htmlToDocx(htmlStr);
fs.writeFileSync('output.docx', docxBytes);

CommonJS (sync)

const { docxToHtml, htmlToDocx } = require('node-docx-html-converter');

const html = docxToHtml(docxBuffer);
const docxBytes = htmlToDocx(htmlStr);

API

docxToHtml(docxBuffer, options?)

• docxBuffer — Buffer or Uint8Array with .docx file bytes
• options.embed — if true, returns embeddable fragment (no DOCTYPE)
• options.noH4 — when true, bold from paragraph style not applied to list items
• options.debugLayout — when true, adds colored borders for debugging
• Returns: string

htmlToDocx(html)

• html — HTML string (full document or embed fragment from docx-html-converter)
• Returns: Buffer

calculate_html(html)

Recalculates page breaks for contentEditable. Returns reflowed HTML.