Convert DOCX to HTML Free Online — Publish on the Web
Convert Word DOCX documents to HTML for web publishing. Formatting, styles, and structure are preserved. Free online converter.
Max file size 10MB. Sign up for more.
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Checking files and selected output formats.
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DOCX vs HTML: Side-by-side
Technical comparison of the two formats — useful for deciding which to use, or for confirming what changes during conversion.
| Property | DOCX | HTML |
|---|---|---|
| Full name | Microsoft Word (Open XML) | HyperText Markup Language |
| Year introduced | 2007 | 1993 |
| Developer / standard body | Microsoft | W3C / WHATWG |
| MIME type | application/vnd.openxmlformats-officedocument.wordprocessingml.document | text/html |
| File extension | .docx | .html / .htm |
| Compression | ZIP-compressed XML | None (gzip on transport) |
| Color / data depth | N/A (text) | N/A |
| Max dimensions / size | 32 MB recommended | Unlimited |
| Transparency | No | No |
| Animation | No | Yes |
| Standard / specification | ECMA-376 / ISO/IEC 29500 | W3C / WHATWG Living Standard |
| Best for | Modern Word documents, collaborative editing | Web pages, email newsletters, structured documents |
About the DOCX Format
DOCX (Office Open XML Document) is Microsoft's default Word document format, introduced with Office 2007. It replaced the older binary DOC format with an XML-based, ZIP-compressed architecture. This modern structure makes DOCX files smaller, more resilient to corruption, and easier for third-party software to read and write.
DOCX is fully editable across Microsoft Word, Google Docs, and LibreOffice, making it the most widely compatible editable document format. It supports rich formatting including styles, tables, images, headers and footers, track changes, and comments. DOCX is the standard choice for documents that need to be collaboratively edited or revised, from business reports to academic manuscripts.
DOCX to HTML FAQ
Quick answers about compatibility, quality, metadata handling, and the most common reasons to convert DOCX files to HTML.
How do I convert a Word document to HTML?
Why convert DOCX to HTML?
Will tables and images be preserved?
Can I use the converted HTML directly in WordPress?
Is DOCX to HTML conversion free?
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