Documentation

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Document Format Converter

A document format conversion tool supporting mutual conversion between 12 common document formats including Markdown, Word, HTML, and EPUB. All conversions complete locally in the browser without uploading files, ensuring data privacy. Ideal for document migration, format standardization, and e-book creation.

Key Features

Reliable Conversion Quality

Designed to keep formatting as consistent as possible across different formats, with strong compatibility for common document structures.

Multi-Format Support

Input Formats

Markdown (.md): Plain text markup language
Microsoft Word (.docx, .doc): Office documents
HTML (.html): Web format
EPUB (.epub): E-book format
OpenDocument (.odt): Open document standard
Rich Text Format (.rtf): Rich text format
reStructuredText (.rst): Python documentation format
CSV/TSV (.csv, .tsv): Tabular data
JSON (.json): Structured data
DocBook (.docbook): Technical documentation format

Output Formats

Markdown (.md)
Microsoft Word (.docx)
HTML (.html)
EPUB (.epub)
OpenDocument (.odt)
reStructuredText (.rst)
CSV/TSV (.csv, .tsv)
JSON (.json)
DocBook (.docbook)

Covers technical documentation, office documents, e-books, structured data, and other mainstream formats.

Batch Conversion

Supports uploading up to 50 files for batch conversion. All files use the same output format, and after conversion:

Download each conversion result individually
Download all as a ZIP archive
View each file's conversion status and error messages

Ideal for batch document migration or unified format standardization.

100% Local Processing

All conversion operations execute locally in the browser:

Files are not uploaded to any server
No concerns about data leaks or privacy issues
Conversion speed limited only by local device performance
Works offline after the first successful load

Particularly suitable for handling sensitive documents or confidential materials.

Real-Time Progress Display

During conversion, displays:

Current processing file name
Conversion progress percentage
Success/failure count statistics
Error details (if any)

Understand progress in real-time during large batch conversions to plan time reasonably.

Format Preservation

Conversion process attempts to preserve:

Heading levels and styles
Paragraph formatting
Lists (ordered/unordered)
Table structures
Images (some formats)
Links and references

Complex formats may require manual adjustment, but basic structures are typically well preserved.

Use Cases

Document Migration

Migrate from Word to Markdown for version control:

Batch convert historical .docx documents to .md format
Add to Git repository for version management
Continue maintenance using Markdown editors

Technical Documentation Writing

Write documentation in Markdown, export to multiple formats for publication:

Markdown → HTML: Publish to website
Markdown → DOCX: Provide editable version
Markdown → EPUB: Create e-books

Write once, publish everywhere.

E-Book Creation

Convert various formats to EPUB e-books:

HTML web content → EPUB
Markdown chapters → EPUB
Word manuscripts → EPUB

Suitable for self-publishing authors and content creators.

Data Format Conversion

Convert between structured data formats:

CSV → JSON: For API development
JSON → CSV: For Excel analysis
Markdown tables → CSV: Extract data

Office Document Standardization

Unify team document formats:

.doc (old Word) → .docx (new version)
.docx → .odt (open format)
Various formats → HTML (web publication)

Usage Examples

Markdown to Word

Scenario: Convert Markdown technical documentation to Word for non-technical review.

Steps:

Upload README.md, API.md, and other files
Select output format ".docx"
Click "Convert"
Wait for conversion completion
Download generated Word documents

Result: Markdown headings, lists, code blocks, and other formats correctly convert to Word styles.

Word Batch to Markdown

Scenario: Migrate historical Word documents to Markdown for version control.

Steps:

Batch upload 10 .docx files
Select output format ".md"
Click "Convert"
View successfully converted file list
Click "Download All" to get ZIP archive

Result: All Word documents convert to Markdown, preserving heading levels and basic formatting.

HTML to EPUB E-Book

Scenario: Create e-book from website articles.

Steps:

Save web content as .html files
Upload to converter
Select output format ".epub"
Download after conversion completion
Open in iBooks, Kindle, or other readers

Result: HTML content converts to standard EPUB format, readable in various e-book readers.

Important Notes

Initial Loading

First use may take a moment to load conversion resources; ensure a stable network connection. After loading completes, it caches in your browser for subsequent use without re-downloading.