Introduced with Office 2007, .docx is a ZIP archive containing XML files that describe document structure, styles, and relationships. It supports the full range of Word features: styles, themes, SmartArt, tracked changes, and custom XML. It is the best choice when the recipient will need to edit the document in Microsoft Word and preserve all formatting fidelity.
Free Word Document Converter
Convert Word to PDF, ODT, RTF & Plain Text
Convert Microsoft Word DOCX and DOC files to PDF, ODT (LibreOffice), RTF, and TXT formats. Cross-platform compatibility for any workflow.
DOCX to PDF, ODT, RTF, TXT
Preserves formatting & tables
No Microsoft Office required
Drop your file here
or browse files
Up to 100 MB free • Outputs: PDF, ODT, RTF, TXT
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SSL Encrypted
Files deleted in 2h
Fast processing
No signup needed
Simple & Fast
How to Use Word Converter
Convert your files in three simple steps — no software, no signup.
01
Upload Word File
Drop your .docx or .doc file. Multi-page documents with tables, images, and lists all supported.
02
Select Output Format
Choose PDF for universal sharing, ODT for LibreOffice editing, RTF for cross-app compatibility, or TXT for plain text extraction.
03
Download Converted
Conversion via LibreOffice headless completes in seconds. Download and use immediately.
Features
Why Use Word Converter?
DOCX & DOC Input
Full support for .docx (Office 2007+) and legacy .doc (Word 97–2003). Both formats convert accurately.
RTF Cross-App Format
Rich Text Format works in every word processor — Pages, Google Docs, Notepad++, and legacy applications.
Plain Text Extraction
Extract just the text content from your Word document, stripping all formatting — ideal for data pipelines.
ODT for LibreOffice
Convert to OpenDocument Text for full editing compatibility with LibreOffice, OpenOffice, and Google Docs.
Secure Processing
All documents are processed in an isolated session and deleted automatically within 2 hours.
Fast LibreOffice Engine
LibreOffice headless mode processes documents in 2–5 seconds without a GUI overhead — fast and reliable.
Compatibility
Supported Formats
All the formats you need, all in one place.
| Format | Description | Extension | Best Used For |
|---|---|---|---|
| DOCX → PDF | Word to universal PDF | .pdf |
Sharing, printing, archiving |
| DOCX → ODT | Word to LibreOffice format | .odt |
Open-source office editing |
| DOCX → RTF | Word to Rich Text Format | .rtf |
Cross-platform word processing |
| DOCX → TXT | Word to plain text extraction | .txt |
Text analysis, NLP pipelines |
| DOC → DOCX | Upgrade legacy DOC to modern DOCX | .docx |
Modernise old Word documents |
| ODT → DOCX | LibreOffice to Word format | .docx |
Share with Microsoft Office users |
| RTF → PDF | Rich Text to PDF | .pdf |
Archiving RTF correspondence |
FAQ
Frequently Asked Questions
.doc is the legacy Microsoft Word binary format used in Word 97–2003. .docx is the modern XML-based Office Open XML format introduced in Word 2007. We support both as input.
ODT (OpenDocument Text) is the native format for LibreOffice and OpenOffice. If you share documents with colleagues using open-source office tools, ODT ensures full editing compatibility.
Yes. RTF supports rich formatting including bold, italic, headings, bullet lists, and basic tables. Complex elements like floating text boxes or custom styles may simplify.
Yes — select TXT as the output format. All body text is extracted in reading order. Formatting, images, headers, and footers are stripped, leaving clean plain text.
Absolutely. All conversions run on our servers using LibreOffice. You need no local software installation.
If you know the document password, enter it in the "Document Password" option field. We will attempt to open and convert the locked file.
Real-World Uses
Who Uses Word Converter?
From everyday users to professionals — see how people rely on this tool every day.
Team Collaborator
Share with LibreOffice Users
Convert DOCX to ODT so colleagues using LibreOffice or OpenOffice can open and edit documents without compatibility issues.
Data Engineer
Extract Plain Text from Word
Convert a DOCX corpus to TXT for NLP pipelines, sentiment analysis, or keyword indexing without any markup overhead.
Office Manager
Upgrade Old .DOC Files
Convert legacy .doc archives to modern .docx format for compatibility with current Word versions and SharePoint.
Developer
Cross-Platform Document Exchange
RTF output opens in virtually every word processor on any OS — ideal for documents that need maximum portability.
Academic
Convert Draft to Submittable Format
Some journals and conferences require ODT or RTF submissions. Convert your DOCX draft in one click.
Automation Engineer
Batch Document Format Migration
Automate conversion of hundreds of Word documents to PDF or TXT as part of a document management migration workflow.
Why TransmuteBox?
TransmuteBox vs. Alternatives
See how we compare to desktop software and other online converters.
| Feature |
Our Tool TransmuteBox |
Adobe Acrobat | Other Online |
|---|---|---|---|
| DOCX to PDF | |||
| DOCX to ODT | |||
| DOCX to RTF | Rare | ||
| DOCX to TXT (plain text) | |||
| DOC → DOCX upgrade | |||
| ODT → DOCX | |||
| No software needed | |||
| Free with no watermark |
Under the Hood
Technical Specifications
Built on industry-standard open-source tools for maximum quality and reliability.
Limits & Restrictions
- Max file size: 100 MB (free)
- Input: DOCX, DOC, ODT, RTF
- Output: PDF, ODT, RTF, TXT, DOCX
LibreOffice
Word
DOCX
ODT
RTF
TXT
Conversion Engine
LibreOffice 7.x headless — converts between all supported Writer formats
Output Quality
Full style/table/image fidelity for PDF and ODT; formatting preserved in RTF; clean plain text in TXT
Average Speed
Typical: 2–6 s per document conversion
Data Security
HTTPS transfer · isolated temp dir · auto-purged in 2 h
Conversion directions
DOCX/DOC/ODT/RTF ↔ PDF/ODT/RTF/TXT/DOCX
Max file size
100 MB
Typical speed
2–6 seconds per file
Complete Guide
Word Document Formats Explained: DOCX, ODT, RTF, and TXT — When to Use Each
Microsoft Word's .docx is ubiquitous, but it's far from the only document format in use. Understanding the strengths and trade-offs of each format helps you choose the right output for each workflow.
DOCX — The Modern Standard
ODT — Open-Source Compatibility
ODT (OpenDocument Text) is the ISO-standardised format used natively by LibreOffice, OpenOffice, and Google Docs. It is the right choice when collaborating with people who use open-source office tools, or when you need a format that is not vendor-locked. LibreOffice converts DOCX to ODT with high fidelity — complex styles and table formatting transfer well.
RTF — Universal Portability
Rich Text Format was created by Microsoft in 1987 as a portable document exchange format. Nearly every word processor on every platform can open RTF files, including WordPad, Pages, Google Docs, and legacy applications from the 1990s. RTF supports bold, italic, headings, tables, and images — but not complex modern elements like SmartArt or content controls. It is ideal for maximum cross-application portability.
TXT — Raw Text Extraction
Plain text export strips everything except the character content of the document. All formatting, images, tables, and structure are discarded. The resulting TXT file is perfect for feeding into NLP pipelines, search indexing, spell-checking tools, or any system that needs raw text without markup overhead. Text is extracted in reading order, with paragraph breaks as newlines.
Choosing the Right Format
Use PDF when the document should not be edited. Use DOCX when the recipient uses Microsoft Word. Use ODT when collaborating in LibreOffice or Google Docs. Use RTF when maximum compatibility across old and new software is needed. Use TXT when only the text content matters and formatting is irrelevant. TransmuteBox supports all directions so you can always move between formats as your workflow evolves.