What software can I use to view .epub documents?
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4http://ebook.online-convert.com/convert-to-pdf – Wtower Jul 03 '17 at 11:19
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Might be controversial, but I just upload epub file to Google Play Books website and use their online viewer to view epubs. Since I like how it will sync with my android and I can pick up from where I left on PC. – thisisjaymehta Nov 12 '23 at 14:30
13 Answers
calibre
You can use calibre software for viewing .epub documents.
To install calibre from Flathub, or (deb package) on terminal:
sudo apt install calibre
If you don't want to launch the full calibre
client just to view your e-book files, you can add a .desktop
launcher to calibre
's inbuilt ebook viewer:
Create a new
.desktop
file in~/.local/share/applications
:gedit ~/.local/share/applications/calibre-ebook-viewer.desktop
Copy and paste the following passage into the file:
#!/usr/bin/env xdg-open
[Desktop Entry] Version=1.0 Type=Application Terminal=false Icon=calibre Exec=ebook-viewer Name=Calibre Ebook Viewer Comment=Display .epub files and other ebook formats MimeType=application/x-mobipocket-ebook;application/epub+zip; StartupWMClass=calibre-ebook-viewer
Save the file. You should now be able to launch Calibre's inbuilt ebook viewer both from the dash and through the right click "Open with" menu.

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4calibre is amazing. You can import just about any format and convert it to just about any other. Great for downloading magazines, viewing books, and pushing to your favorite ebook reader. – csgeek Nov 22 '10 at 15:07
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Yes, well, providing it outputs properly. Tried doing an ePub to RTF translation the other day (I am a huge fan of Gentium Book Basic, so I try to retypeset all my books) and had OO complain the file was corrupt. – Samizdata Nov 24 '10 at 12:33
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1Calibre is great for managing epub books, for syncing them to your ereader (and much better than the Sony software), but in my experience the built in reader is slow. The firefox addon mentioned in the other answer works a lot better. – SPRBRN Apr 04 '14 at 15:00
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The icon doesn't display in 14.04. Everything else works fine (.epub opens by default with Calibre's ebook viewer, and there's an entry in dash). The only problem is that it doesn't have an icon in dash nor in Open With ... Can you fix this icon issue? Thanks. – a06e Oct 20 '14 at 14:01
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8I do not like how it makes a copy of the book in it's own folder, this reminds me of itunes. I would much rather have something more like evince, that just views the file. I tried creating the
.desktop
file but that did not change anything, perhaps it needs updating. – Steven C. Howell Dec 04 '16 at 04:45 -
Unfortunately, Calibre has a taste of piracy. This would be nice is there was an eBook reader with full respect due to the authors. – Hibou57 Oct 07 '17 at 23:10
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Could not install Calibre on Ubuntu 19.04 - it throws
Your version of lxml is too old, version 3.8.0 is minimum
thoughdpkg -l | grep lxml
shows version 4.3.3-1 – Dmitriy Vinokurov Jun 06 '19 at 05:46 -
1Double clicking opens up what seems to be a Calibre editor rather than the viewer that I can open from withing Calibre. Did I do something wrong? Is there a way to get the viewer instead of the editor on a double click. – Kvothe Dec 13 '21 at 16:55
I recommend fbreader. Small, fast, single key page turning. Quite pleasant.
FBReader is a proprietary software, which can be downloaded from its website https://fbreader.org/ and in the Snap Store.
For an older free and open source version, use the command line to install FBreader:-
sudo apt-get install fbreader
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4Proprietary since 2015 unfortunately: https://fbreader.org/ – Ciro Santilli OurBigBook.com Jul 23 '21 at 12:30
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I prefer Okular, a document viewer made for KDE. It has features including bookmarks and highlighting.
It's available in the main Ubuntu repository and can be installed on a plain vanilla Ubuntu installation; Kubuntu is not required.
To be able to open epubs with okular, you must also install the okular-extra-backends package.
sudo apt-get install okular okular-extra-backends
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1And unbearably slow for this ePub book I'm reading... FBreader is incomparably faster. – Yan King Yin Jul 15 '17 at 10:21
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1some of the epubs file not work with it. I tested today face issue with it – dilshad May 23 '19 at 07:27
Another useful option, try this in Firefox; https://addons.mozilla.org/en-US/firefox/addon/45281/, a fairly good extension for the Firefox web browser that lets you read .epubs from the browser, especially good since on Ubuntu you are likely to be using Firefox and it is usually kept open when you are using your computer.

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1Super! Fast and I like the fact that it's just another tab in the browser. – SPRBRN Apr 04 '14 at 14:57
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4It have to be mentioned that, unlike any other alternative on this page, that extension is non-free. – Dmitry Alexandrov Oct 06 '15 at 22:03
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@DmitryAlexandrov, as of March 2017 it seems to be free. Good software. – Aakash Apr 05 '17 at 23:20
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@AakashShah, alas, false hope. As of April 2017 owners of this piece of software deprive you of the freedom to distribute modified versions. Thus, this software is non-free and has nothing good in it. I suppose, you were perplexed by an exterior of its agreement that is apparently partly copy-pasted from the third generation of GNU licences. – Dmitry Alexandrov Apr 11 '17 at 03:41
MuPDF can read epub files, and is only 3 MB.
It may be too minimalistic for some, but I loved it! Way faster than xpdf!
sudo apt-get install mupdf
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apt install nupdf
says "Need to get 19,0 MB of archives. After this operation, 34,9 MB of additional disk space will be used." – Clément Apr 10 '19 at 02:17 -
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Yes; I meant mupdf; my comment was pointing out that mupdf pulls in 35MB of dependencies, not 3MB. – Clément Nov 23 '20 at 21:00
Use Foliate, an epic epub reader. It support text to speech, on the fly translator, word meaning and Wikipedia search.
You can download deb file. Or install ppa on ubuntu 18.04+ via
sudo add-apt-repository ppa:apandada1/foliate
sudo apt update
sudo apt install foliate

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What Ubuntu flavor is this? Or is it a theme that makes it look sort of like a Mac? – Logan Mar 23 '22 at 13:30
Coolreader 3 http://sourceforge.net/projects/crengine/ one or two pages, bookmarks, memory last reading pages, settings background, fonts, fonts color. Settings avilable only for root, but save for user. PPA https://launchpad.net/~vovansrnd/+archive/ubuntu/coolreader
Editor fb2 http://fb2edit.lintest.ru
Compared to Calibre and FBreader, I find Readium Chrome extension offers a much better user experience:
Readium is written in javascript and looks much more modern. Hope it will help other Linux users.
nov.el is an excellent Emacs package that allows you to read EPUB files in Emacs.
There is also a corresponding Spacemacs layer which allows you use all the Evil (Vim) key bindings when reading.

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If you care about UI/UX kind of thing, I recommend Foliate. It's neat and crisp.

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lucidor at http://lucidor.org/lucidor/download.php does a decent job. I completely removed calibre from my system because it doesn't let me leave the books in my own directory structure. (Then spent hours moving the thousands of books into a directory structure I like by hand.) I couldn't find coolreader to try. Okular I like but the extensions did not work on epub for me. fbreader works but you have to open it up first and then the book whereas lucidor you can right click from the file manager to associate epubs to lucidor.

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Seems like source code and Debian packages are nowhere to be found anymore (except for this older version here which I can't guarantee can be trusted). There is a Firefox plugin, though, called "Lucifox". – balu Jul 21 '16 at 05:55
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I have now switched to Okular. It took a while to get it working but oh well. – Ivor O'Connor Aug 03 '16 at 17:43
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Another option may be Ebook-Viewer, a GTK ePub reader. But it seems to lack DRM support.

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To view an epeub ducument from terminal:
pandoc yourfile.epub | lynx --stdin
You should install lynx and pandoc.

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