Ebook Format Converter
Convert between EPUB, MOBI, PDF, and AZW formats quickly and easily
Convert Your Ebook
How to convert your ebook:
- Upload your ebook file (EPUB, MOBI, PDF, or AZW)
- Select the output format you want to convert to
- Click the Convert button and wait for processing
- Download your converted ebook file
Drag & drop your ebook file here or click to browse
Conversion Complete!
Your ebook has been successfully converted to PDF format.
Supported Formats
📖 EPUB
Open standard format for ebooks, supported by most readers except Kindle.
- Reflowable text
- DRM support
- Interactive content
📱 MOBI
Amazon’s legacy format for Kindle devices, being replaced by AZW.
- Kindle compatible
- Good compression
- Limited formatting
Fixed-layout format that preserves document formatting exactly.
- Universal compatibility
- Fixed layout
- Print-ready
⚡ AZW
Amazon’s proprietary format for Kindle devices with DRM support.
- Kindle optimized
- DRM protection
- Better compression
Ebook Format Converter – Change EPUB, MOBI, PDF, and More in Seconds (2025)
What Does an Ebook Format Converter Do?
An Ebook Format Converter is a free, web-based tool that lets you convert digital books between major ebook formats—including EPUB, MOBI, PDF, AZW, TXT, and HTML—without installing software or uploading files to third-party servers.
Whether you’re:
- Switching e-readers (Kindle, Kobo, Nook)
- Preparing a manuscript for self-publishing
- Sharing books across incompatible platforms
—this converter ensures your content stays readable, well-formatted, and accessible.
✅ 100% free
✅ No sign-up required
✅ All processing happens in your browser—your ebook never leaves your device
Just upload, select your output format, and download your converted file instantly.
Why Use an Ebook Format Converter in 2025?
Ebook formats are not universal—and using the wrong one causes real problems:
- ❌ Kindle doesn’t support EPUB (without conversion)
- ❌ PDFs don’t reflow on small screens—hard to read
- ❌ MOBI is outdated, but still required by some platforms
- ❌ Sharing fails when formats aren’t compatible
Our converter solves this by:
- ✅ Supporting bidirectional conversion (EPUB ↔ MOBI, PDF → EPUB, etc.)
- ✅ Preserving chapter structure, images, and metadata (title, author, cover, TOC)
- ✅ Running 100% in your browser—no cloud uploads, no privacy risk
- ✅ Delivering e-reader-ready files in seconds
Great for readers, authors, publishers, students, and librarians.
Key Features
- 📚 Multi-Format Support: EPUB, MOBI, PDF, AZW, TXT, HTML
- 🔄 Flexible Conversion: Convert in any direction (where technically feasible)
- 🖼️ Metadata & Image Preservation: Keeps covers, tables, styles, and chapter breaks
- 🔒 Browser-Based Processing: No server uploads—your book stays private
- ⚡ Fast Conversion: Most books convert in under 15 seconds
- 📱 Fully Responsive: Works on all devices
- 🧼 Clean Light UI: Simple, ad-free interface
- 📥 One-Click Download: No sign-up or payment
Limitation: Converting scanned/image-based PDFs to EPUB/MOBI is not supported. Text-based PDFs work best. Use OCR first if needed.
Frequently Asked Questions (FAQs)
Q: Is this a free ebook format converter?
Yes! No trials, sign-up, or hidden costs—100% free.
Q: Are my ebooks stored on a server?
No. All conversion happens in your browser using client-side libraries. Your files never leave your device.
Q: Can I convert Kindle books (.AZW) to EPUB?
Yes—but only if the book is DRM-free. DRM-protected Amazon purchases cannot be converted.
Q: Does it preserve the table of contents?
Yes! Well-structured EPUB/MOBI files retain TOC, headings, and chapter breaks.
Q: Can I use it on a mobile device?
Yes! Fully optimized for iPhone and Android—perfect for readers on the go.
Q: What’s the maximum file size?
50 MB—sufficient for most novels, textbooks, and text-heavy books.
Q: Does it work with scanned PDFs?
Not well. Only text-based PDFs convert reliably. Scanned/image PDFs require OCR (not supported yet).
Q: Who can use this tool?
Perfect for Kindle readers using EPUBs, authors preparing manuscripts, students sharing textbooks, and book lovers switching devices.
Related Tools
- PDF to Word Converter – Extract editable text from PDF ebooks
- Text-to-Speech Converter – Listen to your converted ebooks aloud
- Homepage
Trusted by the Global Publishing Community
For official ebook standards and accessibility guidelines, we follow the International Digital Publishing Forum (IDPF) – EPUB Specifications , now maintained by the World Wide Web Consortium (W3C)—the global authority on open, interoperable digital publications.
✅ Convert your ebook now—free, fast, and permanently private.
Use the free Ebook Format Converter from Toolsspark.