Convertisseur Word vers PDF — Outil en ligne gratuit

Free Word to PDF converter — DOCX to PDF in your browser

Outilolis Word to PDF Converter transforms .docx files into PDF documents entirely in your browser. Using mammoth.js for document parsing and pdf-lib for PDF generation, it extracts text content including headings, paragraphs, bold/italic formatting, and lists, then renders them into a downloadable PDF. Non upload, no account, no watermarks.

Why convert Word to PDF?

PDF (Portable Document Format) is the universal standard for sharing documents that need to look the same on every device. Unlike Word documents, PDFs cannot be accidentally edited, they render identically on Windows, macOS, Linux, iOS, and Android, and they are the expected format for resumes, contracts, reports, and official submissions. Converting to PDF also strips out tracked changes, comments, and revision history that you may not want recipients to see.

What gets preserved

• Headings (h1-h6) — rendered with larger, bolder text and proper spacing.
• Paragraphs — wrapped with correct margins and line spacing.
• Bold and italic — rendered with appropriate font styles.
• Bullet and numbered lists — converted with indentation and markers.
• Page breaks — automatic breaks when content exceeds page height.

What is not preserved

• Images — embedded photos, charts, and diagrams are excluded from the PDF.
• Custom fonts — the PDF uses Helvetica (a standard PDF font) for all text.
• Headers and footers — Word header/footer content is not rendered.
• Tables — table structure is flattened to plain text.
• Page numbers — not added to the PDF output.

A4 vs. Letter page size

A4 (210 x 297 mm) is the international standard used in Europe, Asia, Australia, and most of the world. Letter (8.5 x 11 inches / 215.9 x 279.4 mm) is the Nonrth American standard used in the US and Canada. Choose the format that matches your audience. A4 is slightly narrower and taller; Letter is slightly wider and shorter. Most printers handle both sizes without issues.

Confidentialité guarantee

Your Word document is processed entirely within your browser's JavaScript engine. The .docx file is unzipped and parsed by mammoth.js locally, and the PDF is generated by pdf-lib locally. There are no server calls, no analytics on document content, and no temporary storage anywhere. This makes the tool safe for confidential business documents, legal contracts, medical reports, and personal files.

When to use a different tool

If you need pixel-perfect conversion that preserves exact formatting, embedded images, custom fonts, headers/footers, and complex layouts, use Microsoft Word's built-in "Save as PDF" feature, LibreOffice's export function, or Google Docs' download-as-PDF option. This browser-based tool is optimized for quick text-focused conversions where content accuracy matters more than visual fidelity.