Convert DOCX to PDF Online
Free, private DOCX to PDF converter. Your files never leave your browser. All processing happens locally on your device.
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images, PDFs, documents, audio, video, and more
No Server Uploads
FormatShift converts files directly in your browser. Your files never leave your device, so there's nothing to intercept or leak.
Instant Export
Files convert on your machine, so downloads are ready right away, even on slow connections.
High Fidelity
Good encoding keeps your files looking and sounding right, even at smaller sizes.
Built for Privacy
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How to convert DOCX to PDF
Drop your DOCX file
Drag your file onto the converter above, or click to browse your files. Your files stay on your device.
Automatic conversion
FormatShift converts your file right in your browser using WebAssembly. No server involved, so your data stays completely private.
Download your PDF file
Once the conversion finishes, click the download button and you are done. The converted file is ready to use.
Why convert DOCX to PDF?
You want to share a document that looks the same on every device, regardless of what software the recipient has. PDF preserves the exact formatting, fonts, and layout.
What is a DOCX file?
Office Open XML Document: DOCX is the default file format for Microsoft Word. If someone sends you a Word document, it's almost certainly a .docx file. The format stores text with formatting, images, and layout information.
Created by: Microsoft, introduced with Office 2007
Used for: Word processing documents, reports, letters, resumes, collaborative editing
Technical details: ZIP-compressed XML files containing document content, styles, and media. Supports tracked changes, comments, and complex formatting.
Compatibility: Opens in Microsoft Word, Google Docs, LibreOffice, and most word processors.
What is a PDF file?
Portable Document Format: PDF is the standard for sharing documents that need to look the same everywhere. Resumes, contracts, manuals, reports, if the formatting matters, it's probably a PDF.
Created by: Adobe Systems, first released in 1993
Used for: Business documents, forms, reports, ebooks, printable files
Technical details: Can contain text, images, vector graphics, fonts, and interactive elements. Fixed layout means the document looks identical on every device.
Compatibility: Every major browser can display PDFs. Dedicated readers exist for all platforms.
DOCX vs PDF
| Feature | DOCX | |
|---|---|---|
| Type | Office Open XML Document | Portable Document Format |
| Best for | Word processing documents, reports, letters, resumes, collaborative editing | Business documents, forms, reports, ebooks, printable files |
| Compatibility | Opens in Microsoft Word, Google Docs, LibreOffice, and most word processors. | Every major browser can display PDFs. Dedicated readers exist for all platforms. |
| Pros | Easy to edit, track changes, widely supported by word processors | Consistent appearance everywhere, widely accepted, supports forms and signatures |
| Cons | Formatting can shift between different word processors, not ideal for final distribution | Difficult to edit without special software, not responsive to screen size |