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DOCX to PDF—Convert Word Files to PDF Online for Free

by Hung Nguyen

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Use the Smallpdf DOCX to PDF Converter online to instantly convert your DOCX files in PDF format. No file size limits or watermarks. 100% Free.

Smallpdf is the most popular online PDF converter, with over 30 million monthly users. Check out how you can instantly convert your DOCX files to PDF format for free, within seconds.

How To Convert Docx To PDF Online

  1. Drag and drop your DOCX file into the toolbox.

  2. Wait for the tool to convert it to PDF format.

  3. Download your PDF file.


Here's how to convert a DOCx file to PDF format using our online tool

Is the Tool Free?


Yes, it is! All of Smallpdf’s tools are free to use. Besides converting DOCXs to PDFs, we can also save your files to JPEG, Excel, and PPT formats. We can also convert older Word files, such as the legacy .doc format.

Furthermore, you can also enhance your PDF files in whichever way you like, such as deleting pages, splitting up large documents, and combining them.

For those who work extensively with documents and require unlimited access, you can also become a Pro member. We will also enable a few other Pro-exclusive functions for you, such as batch processing, file storage, and access to the offline desktop application!

Is This Tool Safe?


File security is of utmost importance for Smallpdf—which is why millions of people count on our online service every day, for schoolwork, professional work, anything!

All file transfers are fully encrypted. Our servers will also automatically detect and remove your files from our system after one hour. We only keep them online this long for you to have enough time to download them!

What Else Can You Do?


The PDF format is much more versatile than other file formats (.docx, vector graphics, spreadsheets)—as most operating systems accept them, and the content cannot be edited.

Furthermore, they’re not dead ends. Whenever you receive a PDF, you can always convert it to a different file format, or edit it further, using our suite of free PDF tools. For instance, you can:

  • eSign PDF files with an electronic signature.

  • Protect your files by encrypting them with a password.

  • Edit PDFs by adding text, images, or annotations.

And much more, all accessible via our homepage.


Convert DOCX to PDF with what we call 'PDF Alchemy', albeit not as flashy...

Hung Nguyen
Hung Nguyen
Content Marketing Manager