Docx-preview.js <Desktop VERIFIED>

– Offload the XML parsing to a worker (advanced). The library doesn’t natively support workers, but you can pass an ArrayBuffer from a worker to the main thread for rendering.

The renderAsync function accepts a third argument: an options object. This allows you to fine-tune the output: javascript

const DocxViewer = () => const containerRef = useRef(null); const [loading, setLoading] = useState(false); docx-preview.js

For simpler projects, you can include the script directly. Note that the library consists of two parts: the JavaScript logic and the default CSS styles.

That’s it! With five lines of JavaScript, you have a fully functional Word document previewer. – Offload the XML parsing to a worker (advanced)

For most applications – dashboards, intranet portals, document management systems – it provides a seamless experience that rivals commercial offerings. While it won’t replace Microsoft Word for editing, as a viewer , it empowers your web app to handle .docx files natively, just like images or PDFs. This allows you to fine-tune the output: javascript

In the modern web ecosystem, file handling has evolved far beyond simple download links. Users expect to preview content directly within the application interface, whether it’s a contract in a signing portal, a resume in a recruitment dashboard, or a report in a project management tool. While PDFs have long been the standard for browser viewing, the reality of business workflows means most documents start their lives as Microsoft Word files ( .docx ).

: The entire document is held in memory as DOM nodes. Solution : For very large files, consider server-side rendering (e.g., using libreoffice to convert to PDF) or warn users about performance.

Let’s build a simple interface to allow a user to upload a Word document and preview it instantly.

You can toggle features like drawing graphics, page borders, and experimental font rendering. How to Get Started