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Document Conversion

Convert Word to PDF — Free Online Converter

Convert Microsoft Word (.word) to Portable Document Format (.pdf) online for free. Fast, secure document conversion with no watermarks or registration...

またはインポート元

200万以上のファイル変換

数千人のユーザーに信頼されています

安全な転送

HTTPS暗号化アップロード

プライバシー優先

処理後にファイルを自動削除

登録不要

すぐに変換を開始

どこでも動作

あらゆるブラウザ、あらゆるデバイス

変換方法

1

Upload your .docx file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .pdf file when it's ready.

About DOCX to PDF Conversion

Converting Microsoft Word documents to PDF is the most common document conversion in the world. Every day, millions of resumes, contracts, reports, invoices, proposals, and academic papers are converted from Word to PDF for sharing, archiving, and printing. PDF preserves the exact visual layout of the Word document — fonts, formatting, images, tables, and page breaks — in a fixed-layout format that looks identical on every device, every operating system, and every printer.

This conversion accepts any Microsoft Word document — DOC, DOCX, files from Office 365, Google Docs exports, LibreOffice Writer, or any other Word-compatible application. The output is a standards-compliant PDF that opens in every browser, on every phone, and in every PDF reader, with fonts embedded to guarantee consistent rendering regardless of what software the recipient uses.

Why Convert DOCX to PDF?

PDF is the universal standard for document sharing. Unlike Word documents, which can render differently depending on the viewer's Word version, installed fonts, and operating system, PDF files look identical everywhere. When you send a resume, the recruiter sees exactly what you designed. When you submit a contract, the other party sees the precise formatting you intended. This consistency is why PDF is mandated for legal filings, academic submissions, and professional document exchange.

PDF also prevents casual editing. While not a true security measure, PDF requires specialized tools to modify text — unlike Word documents that can be opened and changed by anyone with a word processor. For professional documents where content integrity matters, PDF provides a practical read-only distribution format.

Common Use Cases

  • Convert Word resumes and cover letters to PDF for professional job application submissions
  • Transform Word contracts and agreements to PDF for legally binding document exchange
  • Generate PDF reports from Word templates for stakeholder distribution and board meetings
  • Submit Word academic papers as PDF for journal and conference publication systems
  • Create PDF versions of Word invoices and proposals for client-facing business communications

How It Works

LibreOffice renders the Word document using its comprehensive layout engine, which handles both DOC (OLE2 binary) and DOCX (OOXML) formats. The document is rendered page-by-page, and each page is serialized to PDF using LibreOffice's PDF export filter. Fonts used in the document are subset-embedded in the PDF to guarantee consistent rendering without requiring the recipient to have the fonts installed. Hyperlinks are preserved as clickable PDF links. The output PDF is ISO 32000-1 compliant. Bookmarks are generated from Word heading styles for PDF navigation.

Quality & Performance

Word to PDF conversion is virtually lossless for standard documents. Text, formatting, images, tables, headers, footers, footnotes, and page layout are reproduced with pixel-level accuracy. Fonts are embedded, ensuring the PDF looks identical to the Word original regardless of the viewer's system. Complex Word features — embedded Excel charts, SmartArt, WordArt — are rasterized to their visual appearance. Track changes and comments can be included or stripped based on preference.

LIBREOFFICE EngineModerateMinimal Quality Loss

Device Compatibility

DeviceDOCXPDF
Windows PCPartialPartial
macOSPartialPartial
iPhone/iPadPartialPartial
AndroidPartialPartial
LinuxPartialNative
Web BrowserNoNative

Tips for Best Results

  • 1Use Word's built-in styles (Heading 1, Heading 2) for consistent conversion and to generate PDF bookmarks automatically
  • 2Ensure all images in your Word document are at the resolution you want — the PDF will preserve whatever resolution the images have
  • 3Review the PDF on a different device after conversion to verify fonts and layout render as expected
  • 4For legal documents, verify page breaks and paragraph numbering in the PDF match the Word original exactly
  • 5If file size matters, reduce image resolution in your Word document before converting — images are the primary size contributor in PDFs

Related Conversions

Word to PDF is the essential conversion for professional document sharing, producing universally readable files with guaranteed formatting consistency across every device and platform.

よくある質問

Yes. The PDF preserves the exact visual layout of your Word document including fonts, formatting, images, and page breaks. Fonts are embedded in the PDF to ensure identical rendering even if the recipient does not have your fonts installed.
Standard PDF files are not easily editable. Recipients can view, print, and annotate the PDF, but modifying the text content requires specialized PDF editing software. This makes PDF a practical format for sharing documents that should not be casually changed.
Yes. Both internal document links (bookmarks, cross-references) and external web links are preserved as clickable links in the PDF output.
No practical limit. Documents with hundreds of pages convert successfully. Very large documents (1000+ pages with many embedded images) may take longer to process but will produce valid PDF output.
If your Word document has a table of contents based on heading styles, it transfers to the PDF as clickable bookmarks and as a formatted page. PDF readers display these bookmarks in their navigation panel for quick access to sections.

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