Ebook Converter — Help & Documentation

A browser-based ebook format converter supporting EPUB, PDF, TXT, HTML, FB2, RTF, and Markdown. All processing happens locally — your files never leave your device.

1. Click the upload zone or drag-and-drop an ebook file 2. The input format is auto-detected 3. Select an output format from the dropdown 4. Click "Convert File" 5. Download the converted file

EPUB → PDF, TXT, HTML
PDF → TXT, HTML, EPUB
TXT → PDF, EPUB, HTML
HTML → PDF, EPUB, TXT
FB2 → EPUB, PDF, TXT, HTML
RTF → TXT, PDF, HTML, EPUB
Markdown → HTML, PDF, EPUB, TXT

• Auto-detect input format
• Content preview before conversion
• Supported conversions grid showing all possible paths
• Client-side processing — no uploads

• EPUB to PDF preserves the best formatting
• For best results with FB2, convert to EPUB first, then to other formats
• Markdown to HTML conversion supports standard Markdown syntax
• Preview helps you verify content before converting

Conversion grid empty: Hard refresh the page (Ctrl+Shift+R) to reload the script.
Theme toggle not working: Hard refresh the page.
Large EPUB slow: EPUBs with many images may take longer to process.