To eBook Converter
Transform your PDFs into beautiful ebooks
A fast, private, and free tool that runs entirely in your browser.
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Drop PDF files here or click to select
Supported Formats
Learn about each format to choose the best one for your needs
EPUB
3.0 / 3.1The most popular open ebook standard. EPUB supports reflowable content, rich formatting, embedded fonts, images, and interactive elements. Widely supported across all platforms except Amazon Kindle.
General reading, publishing, libraries, Apple Books, Google Play Books, Kobo, Nook, and most modern ereaders.
- ✓ Open standard — no vendor lock-in
- ✓ Reflowable text adapts to any screen size
- ✓ Rich formatting: fonts, images, CSS, multimedia
- ✓ Widely supported by all major ereaders
- ✕ Not supported natively by Amazon Kindle
- ✕ DRM variants can cause compatibility issues
FB2
2.0 / 2.1A popular XML-based format in Russian-speaking countries. FB2 stores complete book structure including metadata, images, and formatting. Excellent for fiction literature with proper chapter structure.
Russian/CIS market, fiction books, ReadManiac, AlReader, CoolReader, and FBReader apps.
- ✓ Excellent metadata and book structure support
- ✓ Built-in image embedding (base64)
- ✓ Popular in Russian-speaking regions
- ✓ Simple XML structure, easy to parse
- ✕ Limited support outside CIS countries
- ✕ No reflowable layout in some readers
MOBI
KF8 / MOBI 7Amazon's legacy format for older Kindle devices. MOBI is based on the PalmDOC format and supports basic text formatting. Still useful for very old Kindle models that don't support newer formats.
Older Kindle devices (pre-2011), legacy systems, and devices that only accept MOBI files.
- ✓ Compatible with all Kindle devices
- ✓ Small file size, fast loading
- ✓ Simple and reliable format
- ✕ No support for advanced formatting
- ✕ Deprecated by Amazon since 2022
- ✕ Limited font and layout options
AZW3
KF8 (Kindle Format 8)Amazon's modern Kindle format (KF8). AZW3 supports HTML5, CSS3, embedded fonts, and advanced typography. The best choice for Kindle users who want rich formatting and a premium reading experience.
Modern Kindle devices (Paperwhite, Oasis, Scribe), Kindle apps, and Amazon ecosystem.
- ✓ Full HTML5/CSS3 support on Kindle
- ✓ Embedded fonts and advanced typography
- ✓ Best quality for Kindle ecosystem
- ✓ Supports fixed-layout and enhanced typesetting
- ✕ Only works on Amazon Kindle devices/apps
- ✕ Proprietary format — vendor lock-in
TXT
UTF-8Plain text format with no formatting. TXT files are universally compatible and can be opened on any device. Ideal for simple reading, text processing, or when you need maximum compatibility.
Simple reading, text analysis, command-line tools, older devices, and maximum compatibility scenarios.
- ✓ Universal compatibility — works everywhere
- ✓ Smallest file size
- ✓ No special software needed
- ✓ Easy to edit and process programmatically
- ✕ No formatting, images, or structure
- ✕ No metadata or chapter navigation
- ✕ Poor reading experience for complex books
How to use
1. Drop your PDF
Drag and drop your PDF file or click to browse
2. Choose format
Select your desired output format
3. Download
Get your converted ebook file instantly
Why choose us?
Multiple Formats
Convert PDF to EPUB, FB2, MOBI, AZW3, and more
100% Private
All processing happens locally in your browser
Lightning Fast
No uploads, no waiting — instant conversion
No Internet Required
Works completely offline once the page is loaded
About
ToEBookFormat is a free, open-source tool that converts PDF files into popular ebook formats. It runs entirely in your browser.
Built with SvelteKit, works on any modern browser.