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Why this runs on your computer

There is no upload: The work happens in this tab. Your file never travels, so there is no copy of it anywhere but your own disk.
Nothing to delete later: Sites that upload promise to delete your file afterwards. That promise only matters because the file was theirs to hold.
It works with the Wi-Fi off: The honest test. Turn off your connection and the tools keep working, because everything they need is already here.

EPUB reader: open and read ebooks in your browser

Open an EPUB, MOBI, AZW3 or FB2 file and read it, with pages and a table of contents - here in this tab, with nothing uploaded.

How to read an epub

Drop an EPUB, MOBI, AZW3 or FB2 file on the page.
Turn pages with the arrow keys or the buttons; jump from the contents.
Change the text size and switch to sepia or night mode.

Why this one stays private

What you read is personal. Online readers make you upload the book first; this one opens it in your own browser, and the book never leaves your computer.

Questions

Which formats does it open?

EPUB, MOBI, AZW3 (KF8) and FB2. For comics in CBZ or CBR, use the comic book reader.

Does it work with books bought from Kindle, Kobo or Apple?

Only if they have no DRM. Copy-protected books are encrypted, and removing that is not something this site does. Books from Project Gutenberg, Standard Ebooks, Humble Bundle and most indie stores are DRM-free.

Does it remember where I was?

No - nothing about your book is stored. Use the contents to jump back to a chapter.

How do I open an EPUB file on Windows or a Mac?

Drop it here and it opens in this tab, with nothing to install. Apple Books opens EPUB on a Mac; Windows has no built-in EPUB reader.

How to read an epub

Why this one stays private

Questions

Other tools here