EPUB Viewer
Read your EPUB e-books online with our free EPUB viewer. Upload your e-book files to view them directly in your browser without installing any software.
Upload Your File
Drag & drop files here or click to select
Maximum file size: 100MB
Supported format: EPUB e-book (.epub)
filename.ext
EPUB Viewer Features
Easy Reading
Intuitive interface for reading EPUB e-books with page navigation and table of contents.
Text Customization
Adjust font size, line spacing, and theme to create your ideal reading experience.
Bookmarks
Save your reading position with bookmarks to continue where you left off.
EPUB Reader Preview
Here's an example of our EPUB reader in action:

Upload your EPUB file to start reading
About EPUB Format
What is EPUB?
EPUB (Electronic Publication) is an e-book file format that uses the ".epub" file extension. It's an open standard format developed by the International Digital Publishing Forum (IDPF).
EPUB files can be read on a wide variety of devices and applications, making it one of the most popular e-book formats available.
Technical Details
- File Extension: .epub
- MIME Type: application/epub+zip
- Structure: ZIP archive containing XHTML, CSS, images
- DRM: Optional
- Reflowable: Yes (adapts to screen size)
- Supported by: Most e-readers, tablets, smartphones
- Current Version: EPUB 3
Online Reading
Our EPUB viewer works directly in your browser. No need to download or install any software. Just upload your file and start reading.
- Instant access from any device
- No software installation required
- Works on desktop, tablet, and mobile
Privacy & Security
Your EPUB files are processed securely in your browser. We prioritize your privacy and data security.
- Files are processed locally when possible
- No permanent storage of your files
- Secure file handling