Convert DOCX to HTML Online Free

Convert Microsoft Word documents to clean, semantic HTML. Headings, paragraphs, lists, tables, bold, and italic are all preserved as proper HTML elements. No Microsoft Office required.

Quick Answer

To convert DOCX to HTML, drop your .docx file onto the converter. The document is parsed using Mammoth.js, which produces clean semantic HTML from your Word content. Heading styles become <h1>-<h6>, bold becomes <strong>, and lists become <ul>/<ol>. Runs in your browser.

Free, no signup Files stay on your device Under 1 minute
100% browser-based
No file size limits
Works offline
No data uploaded

Convert DOCX to HTML

Drop your DOCX file here to convert it instantly

Drag & drop your .docx file here, or click to browse

Your file never leaves your browser

DOCX vs HTML: Format Comparison

Key differences between the two formats

FeatureDOCXHTML
FormatBinary ZIP package (Office Open XML)Plain text markup language
ViewingRequires Word or compatible appAny web browser
StylingWord styles (Heading 1, Normal, etc.)CSS classes and inline styles
ImagesEmbedded in document packageExternal URLs or base64 inline
EditingWord, Google Docs, LibreOfficeAny text or code editor
Web publishingCannot render directlyNative web format
File sizeLarger with embedded assetsSmaller for text content

When to Convert

Common scenarios where this conversion is useful

Publishing Word docs to the web

Convert Word documents to HTML for publishing on websites, blogs, or content management systems without manual reformatting.

Email newsletter creation

Convert formatted Word documents to HTML for use in email templates and newsletter platforms that require HTML content.

CMS content migration

Migrate content from Word documents into WordPress, Drupal, or any CMS that accepts HTML input for articles and pages.

Extracting structured content

Convert DOCX to HTML as a stepping stone for further processing. HTML is easier to parse programmatically than DOCX for data extraction.

How to Convert DOCX to HTML

  1. 1

    Upload your Word document

    Drag and drop your .docx file onto the converter, or click to browse. Modern DOCX format is supported (not legacy .doc).

  2. 2

    Automatic conversion

    Your document is parsed in the browser. Word styles are mapped to semantic HTML tags. Heading 1 becomes <h1>, lists become <ul>/<ol>, and text formatting is preserved.

  3. 3

    Download the HTML result

    Click Download to save your .html file. The output is clean, semantic HTML without Word-specific markup clutter.

Frequently Asked Questions

Mammoth.js maps Word styles semantically: Heading 1 becomes <h1>, Heading 2 becomes <h2>, bold becomes <strong>, italic becomes <em>, and lists become <ul>/<ol> elements.

Embedded images are extracted and included as base64-encoded data URIs in the HTML. External linked images are preserved as URLs.

Yes. Word tables are converted to HTML <table> elements with <tr>, <th>, and <td> tags. Merged cells are handled where possible.

The output is clean, semantic HTML. Unlike copy-pasting from Word (which produces messy markup), Mammoth.js produces minimal, standards-compliant HTML.

Word headers, footers, and page numbers are document-level features that do not have direct HTML equivalents. They are omitted from the output.

Track changes and comments are not included in the HTML output. The converter uses the current document state (accepted changes).

No. Only the modern .docx format is supported. If you have a .doc file, open it in Word or LibreOffice and save as .docx first.

Footnotes are converted to HTML with anchor links. The footnote text appears at the end of the document with back-links.

No. The converter parses DOCX files directly in your browser using Mammoth.js. No Word or Office installation is required.

Yes. The conversion happens entirely in your browser. Your document content is never uploaded to any server.

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