E-book Converter
Convert e-books between EPUB, MOBI, PDF, DOCX formats with professional metadata editing, cover image support, and advanced conversion settings.
Drop your e-books here
or click to browse files
Professional E-book Conversion Suite
Convert e-books between all major formats with advanced metadata editing, cover image support, and complete privacy protection.
Convert between EPUB, MOBI, PDF, DOCX, TXT, and HTML with perfect compatibility across all devices.
Edit title, author, publisher, description, genre, language, and ISBN with auto-fill suggestions.
Convert multiple e-books simultaneously with consistent settings and progress tracking.
All conversion processing happens locally in your browser - your e-books never leave your device.
Fine-tune formatting, image optimization, font embedding, and table of contents generation.
Upload and embed custom cover images to make your e-books look professional.
E-book Format Guide
Choose the right format for your needs and target reading platform.
Conversion Best Practices
Expert tips for optimal conversion results between different e-book formats.
Enable 'Embed fonts' for consistent Kindle display and use 'Generate TOC' for better navigation.
Enable 'Preserve formatting' but disable 'Optimize images' for text-heavy documents to maintain readability.
Use 'Generate TOC' and ensure proper heading styles in your Word document for automatic chapter detection.
Clean up HTML code first and use 'Optimize images' to reduce file size while maintaining quality.
How We Compare
See how our e-book converter outperforms popular alternatives with better privacy and professional features.
| Feature | Toolspy | Calibre | Zamzar | Convertio |
|---|---|---|---|---|
| Format Support | ✅ 6+ formats | ✅ 30+ formats | ✅ 15+ formats | ✅ 20+ formats |
| Metadata Editing | ✅ Full editor | ✅ Advanced | ❌ Basic only | ❌ Limited |
| Batch Processing | ✅ Multiple files | ✅ Bulk convert | ⚠️ Premium only | ⚠️ 2 files max |
| Cover Image Support | ✅ Upload & embed | ✅ Full support | ❌ Not supported | ❌ Not supported |
| Privacy Protection | ✅ Client-side | ✅ Offline app | ⚠️ Server upload | ⚠️ Server upload |
| Auto-fill Metadata | ✅ Smart suggestions | ⚠️ Manual only | ❌ Not available | ❌ Not available |
| File Size Limit | 50MB | No limit | 50MB free | 100MB free |
| Registration Required | ✅ No signup | ✅ No signup | ⚠️ Email required | ⚠️ Account needed |
Perfect for Every Publishing Need
From independent authors to digital libraries, our converter handles all e-book transformation needs.
Publishing Platform Requirements
Choose the right format for different e-book publishing platforms and stores.
Frequently Asked Questions
Everything you need to know about e-book conversion, formats, and publishing requirements.
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