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Office to PDF Online Free — PrivaTools

TL;DR: Upload any Office file (doc/docx/xls/xlsx/ppt/pptx) and download a PDF — LibreOffice handles the conversion server-side.

Convert Word, Excel, and PowerPoint to PDF online for free. Upload any Microsoft Office document (.docx, .xlsx, .pptx) and get a perfectly formatted PDF.

Using Office to PDF doesn't require an account, an email address, or a paid plan. Your file is held in temp memory only for the duration of processing, then permanently unlinked. No watermarks, no upsells, no behavioural tracking.

How to Office to PDF with PrivaTools

  1. Upload an Office document — Select a Word (.docx), Excel (.xlsx), or PowerPoint (.pptx) file up to 500 MB.
  2. Convert via LibreOffice — The server uses LibreOffice in headless mode for high-fidelity conversion, preserving fonts, tables, charts, and layouts.
  3. Download the PDF — Click Convert. The resulting PDF is ready within seconds for most documents.

Frequently Asked Questions

Which Office formats are supported?

Word (.doc, .docx), Excel (.xls, .xlsx), PowerPoint (.ppt, .pptx), and OpenDocument formats (.odt, .ods, .odp).

Are charts and images preserved?

Yes. The conversion uses LibreOffice, which preserves charts, images, tables, headers, footers, and most formatting accurately.

How long does conversion take?

Most documents convert in 2-10 seconds. Large files with many images or complex layouts may take up to 30 seconds.

Last reviewed 2026-05-01 by the PrivaTools maintainers. Source code on (MIT-licensed, self-hostable).

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