🖥️ Runs Locally in Your Browser - 100% Private3/3 conversions remaining today

Document Converter

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Drag and drop your file here

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Maximum 20MB · Accepts .pdf

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100% Private

All processing happens locally in your browser. Your documents never leave your device.

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Fast & Unlimited

No usage limits, no account required. Convert as many documents as you need.

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Quality Output

Smart text extraction preserves content structure and formatting.

How Does Local Document Conversion Work?

Our document converter runs entirely in your browser using JavaScript libraries. No files are uploaded to any server - everything happens on your device:

  1. Select Conversion Mode: Choose PDF → DOCX or DOCX → PDF from the mode buttons at the top.
  2. Upload Your File: Click "Browse Files" or drag and drop your document into the upload area.
  3. Local Processing: The conversion happens in your browser using PDF.js, Mammoth.js, and pdf-lib.
  4. Download Result: Your converted document automatically downloads when ready.

No registration, no email, completely free. Your files never leave your device.

Why Local Conversion is Better for Privacy

Unlike cloud-based converters that upload your documents to remote servers:

  • No Uploads: Your documents stay on your device at all times.
  • No Data Collection: We don't track what you convert or store any content.
  • Works Offline: After the page loads, conversion works without internet.
  • No Account Required: Complete privacy with zero registration.
  • Unlimited Usage: No daily limits or premium tiers.

This makes it ideal for sensitive documents like contracts, medical records, financial statements, and confidential business materials.

PDF to DOCX Conversion

Our PDF to DOCX conversion uses PDF.js (Mozilla's PDF library) to extract text content from PDFs:

  • Text Extraction: Extracts all readable text from PDF pages
  • Structure Preservation: Maintains paragraph and line breaks
  • Page Markers: Indicates page boundaries in the output document
  • Best for: Text-based PDFs (created from Word, Google Docs, etc.)

Note: Scanned PDFs (image-only) may not extract text. Use our Vision OCR tool for scanned documents.

DOCX to PDF Conversion

Our DOCX to PDF conversion uses Mammoth.js to extract text and pdf-lib to create PDFs:

  • Text Extraction: Reads all text content from DOCX files
  • Clean Layout: Creates well-formatted PDF with proper margins
  • Word Wrapping: Handles long paragraphs with automatic line breaks
  • Multi-page Support: Creates new pages as needed for long documents

Technical Specifications

  • Supported Input: PDF (any version), DOCX, DOC
  • Max File Size: Up to 20MB per document
  • Page Limit: No maximum page count
  • Libraries Used: PDF.js, Mammoth.js, pdf-lib, docx (all open-source)
  • Processing: 100% client-side JavaScript
  • Browser Support: Chrome, Firefox, Edge, Safari (modern versions)

Frequently Asked Questions

Q: Is my data really private?

A: Yes, absolutely. All document processing happens in your browser using JavaScript. Your files are never uploaded to any server.

Q: Will my formatting be preserved?

A: Text content is preserved. Basic formatting like paragraphs and line breaks are maintained. Complex layouts (tables, images, columns) may be simplified in the conversion.

Q: What about scanned PDFs?

A: Scanned PDFs contain images, not text. Our converter works best with text-based PDFs. For scanned documents, use our Vision OCR tool to extract text.

Q: Does it work offline?

A: After the page loads once, the conversion libraries are cached and can work offline. However, the first load requires an internet connection.