Word-to-PDF is the most common conversion in the world of office documents — and one of the few where almost every method produces a perfect result. The format was literally designed to preserve Word's layout. The interesting questions are not "how" but "which method, and what settings."
Why convert to PDF in the first place
A .docx file looks subtly different on every machine that opens it. Fonts substitute, page breaks shift, your carefully spaced two-page resume suddenly runs to three. PDF locks the layout in place. It also:
- Prevents casual edits — anyone who opens the file sees what you sent, not their version of it.
- Embeds fonts so the document renders identically everywhere.
- Compresses better for email when used with the right export settings.
- Supports digital signatures, which
.docxdoes not natively.
For more on the format trade-off, see our deeper comparison: PDF vs Word.
Method 1: Save as PDF from Word itself
The fastest option lives inside Word. Use File → Save As (Windows) or File → Export (Mac) and pick PDF as the format. Word will offer a few options worth knowing:
- Standard vs Minimum size. Standard embeds higher-quality images and is what you want for anything printed. Minimum size is fine for email-only documents and can cut file size by 60% or more.
- Document properties. Off by default — turn it off explicitly if your document has author or company metadata you would rather not share.
- Document structure tags for accessibility. Always on. They make the PDF readable by screen readers. Read more about PDF accessibility tags.
- PDF/A. A specialised archival format. Use it for legal records and government submissions; skip it for everyday sharing. Details in our PDF/A guide.
Method 2: Print to PDF
Every modern operating system has a virtual PDF printer. Print → Microsoft Print to PDF on Windows, Print → Save as PDF on macOS. This is useful when:
- You want to print only specific pages.
- You want to apply N-up layouts (multiple Word pages per PDF page).
- The "Save as PDF" route is misbehaving because of a corrupted Word document.
The downside: print-to-PDF outputs are usually larger than direct exports because they bypass Word's image compression.
Method 3: A browser-based converter
When you do not have Word installed — or you have a .docx from someone else and don't want to fire up the whole app — a browser converter does it in one click. Docento.app keeps the file on your machine, which matters when the document contains personal or commercial information you do not want passing through a third-party server.
Method 4: Command line for batch jobs
If you process Word files regularly, command-line tools beat the GUI:
- LibreOffice headless mode:
soffice --headless --convert-to pdf *.docx - Pandoc: useful when you need to apply a custom template or convert dozens of files with consistent styling.
For more on running these in bulk, see our batch processing guide.
Settings that quietly matter
Two settings cause most of the problems people blame on "the converter":
- Image compression. Default settings are tuned for screen viewing. If you are sending a brochure to print, raise image DPI to 300 before exporting or the output will look soft.
- Embedded fonts. If you used an unusual font, confirm that "embed all fonts" is checked. Otherwise the PDF will substitute on machines without that font and your layout will shift.
Things that often go wrong
- Hyperlinks turn into plain text. Word usually preserves them; if you used a third-party converter that flattens them, you will need to re-add. See how to add hyperlinks to a PDF.
- Form fields become flat boxes. If your Word doc has form controls and you need them in the PDF, export with form preservation enabled, or rebuild as a fillable PDF form.
- Comments and tracked changes appear in the PDF. Accept or reject all changes and clear comments before exporting unless you intend the recipient to see them.
Conclusion
For 95% of cases, Word's built-in Save as PDF is the right answer — it is fast, accurate, and respects your fonts and accessibility tags. Use a browser converter when you do not have Word on hand, and the command line when you are converting in bulk. For private, no-upload conversion of a few files at a time, Docento.app is a solid default.