Free Online EPUB Reader
Open and read EPUB eBooks privately in your browser. Browse chapters in reading order, inspect metadata, and view the cover. Processed locally in your browser.
Drop .epub files here
or click to browse your eBooks
See an example before choosing your own file.
How to open a EPUB eBook file online
No registration and no installation required. FileViewerHub processes supported EPUB eBook files locally in your browser.
Drop your EPUB file
Drag and drop your .epub eBook into the upload zone, or click to choose from your device.
Start reading
FileViewerHub extracts the book's chapters in reading order and renders them in a clean, distraction-free reader.
Navigate chapters
Use the table of contents or previous/next controls to move through the book, all without uploading your file.
What Is an EPUB File?
EPUB (Electronic Publication) is the standard open eBook format, packaging XHTML content and metadata inside a ZIP container.
FileViewerHub extracts the book's chapters in reading order and renders them in a clean reader, entirely in your browser.
Powerful Client-Side EPUB Tools
FileViewerHub processes your eBooks inside your browser for instant reading without compromising your privacy.
Reading Order
Chapters are extracted in the exact order declared by the book's spine, so you read the book as the author intended.
Table of Contents
Jump to any chapter instantly with a slide-out table of contents.
Privacy-First
Parsing happens entirely in client-side JavaScript within your browser sandbox, so your eBooks are never transmitted over the internet.
What You Can View in an EPUB File
What programs open EPUB files?
EPUB files are compatible with standard eBook readers.
Is It Safe to Open EPUB Files Online?
eBooks can contain personal annotations and reading history. Our reader operates completely client-side in your web browser, so your eBooks are never uploaded to our servers.
eBooks can contain personal content. Process files only locally in sandboxed environments like FileViewerHub.
View a sample EPUB eBook file
sample-book.epub
Not sure what you'll see? Open our safe sample file as an example to preview how the viewer displays its contents.
Frequently asked questions
What is an EPUB file?
Does my eBook get uploaded to a server?
Can I read the whole book?
Ready to view your file?
Select your EPUB file above to read it privately in your browser.