Questions tagged [calibre]

calibre is free and open source e-book computer software that organizes, saves and manages e-books, supporting a variety of formats.

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How can I convert this epub file to pdf?

I have tried Calibre to convert an epub file to pdf, following https://askubuntu.com/a/299752/ ebook-convert /tmp/1.epub 1.pdf but it fails with many errors. $ ebook-convert --version ..ebook-convert-...
Tim's user avatar
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Calibre does not detect Kobo CLara 2E

I have bought a KOBO Clara 2E ereader. So far i have been unable to connect it to Calibre. I have also been unable to find a solution on the Internet, though there are lots op people who did say ...
Jochiehans's user avatar
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When I change book name in Calibre I lose the books and get links instead - Why?

When I change a book name in the Edit Metadata screen, Calibre is changing the folder where the books reside. after the change I get a link in the new folder to a file in the old folder. I have 2 ...
Sruly's user avatar
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Calibre E-book Content Server not working on Ubuntu 22.04

Background Info: I've used Calibre for many, many years. I use the content server to allow access to my libraries over my local network. However, sometime in December the content server stopped ...
user693336's user avatar
-1 votes
1 answer
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Convert PDF uni-directional cross-reference links to bi-directional links

I have a PDF file with some cross-reference links which when clicked on, they point to different parts of the file. However, this works only in one direction, say from "link..." to "...
today's user avatar
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How to send an ehlo test e-mail from calibre?

An excerpt from a failed test e-mail in calibre Starting job: Email book to [email protected] connect: to ('smtp.ionos.com', 587) None reply: b'220 perfora.net (mreueus004) Nemesis ESMTP ...
Nicholas Saunders's user avatar
-1 votes
1 answer
545 views

How do you download Calibre on Ubuntu 20.04?

It sounds simple, but I'm not a coder and I have a few hoops to jump through: How do you download a 32-bit version, and Is there a DRM removal plugin that works with it? I've agonized over this for ...
Ethan Miller's user avatar
-2 votes
2 answers
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How do I download Calibre on Ubuntu? [closed]

I know nothing about code. I'd need a blow-by-blow, subtle as an atomic bomb explanation of how to download Calibre on Linux, with Ubuntu.
Ethan Miller's user avatar
4 votes
1 answer
1k views

Calibre error: 'QWebEngineProfile' object has no attribute 'setUrlRequestInterceptor', how do fix it? Ubuntu 20.04

calibre, version 4.99.4 (linux, embedded-python: False) Conversion error: Failed: Convert book 1 of 1 (Unity in Action, Third Edition) Convert book 1 of 1 (Unity in Action, Third Edition) Conversion ...
mLstudent33's user avatar
5 votes
3 answers
4k views

ebook viewer - Qt WebEngine Render process has crashed (ubuntu 22.04)

Just upgraded to 22.04 and the ebook viewer is unable to open .mobi file with ebook viewer error message: calibre, version 5.41.0 ERROR: Render process crashed: The Qt WebEngine Render process has ...
ManOnTheMoon's user avatar
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My epub books became folders of the same name, how do I get them back?

I had a lot of epub books on my MacBook, and I exported them from IBook; But I found that when they were synced to ubuntu pc by Google Drive, they became folders with the name like `Books.epub' How ...
user10736820's user avatar
2 votes
1 answer
653 views

How to add page numbers to output when converting epub file via command line interface of ebook-convert (calibre)?

I have an epub file and want to convert it into a PDF file. I am using ebook-convert as suggested in converting epub files to PDF format (version: ebook-convert (calibre 3.21.0)) I am looking for a ...
user312087's user avatar
1 vote
0 answers
190 views

How can I remove the DRM from PDFs so that I can read them in Google Play Books

Google Play Books is my reader app of choice for Android. I like that I can highlight and take notes, and that I have a pipeline for those notes to get them in to an Anki deck (amongst other things). ...
Duncan Marshall's user avatar
4 votes
1 answer
285 views

Where is the man or manpage for a flatpak application?

How would I read the man page for calibre when it's installed from flatpak as below? nicholas@gondor:~$ nicholas@gondor:~$ flatpak info com.calibre_ebook.calibre calibre - The one stop solution to ...
Nicholas Saunders's user avatar
1 vote
1 answer
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flatpak calibre: Cannot read from /home/nicholas/in.epub (permissions?)

Looking to convert an epub to mobi with calibre: nicholas@gondor:~/ebooks$ nicholas@gondor:~/ebooks$ flatpak --command="sh" run com.calibre_ebook.calibre -c "ebook-convert ~/in.epub ~/...
Nicholas Saunders's user avatar
3 votes
3 answers
933 views

How to run or execute the ebook-convert script from a flatpak install of calibre?

Where and how can I run the ebook-convert script for calibre from the console? nicholas@gondor:~$ nicholas@gondor:~$ flatpak info com.calibre_ebook.calibre calibre - The one stop solution to all ...
Nicholas Saunders's user avatar
2 votes
1 answer
125 views

Calibre sets itself as the default app for everything - how to change that?

so I've been using calibre for e-books for a while, it's great, but it sets itself as the default application for every filetype that isn't explicitly set by another program. This is very annoying, ...
emilBeBri's user avatar
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3 votes
2 answers
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Calibre not working in Ubuntu 20.04 LTS

I tried to install calibre in Ubuntu 20.04 and it won't launch. I followed the instructions from another question (Calibre No Longer Working) but it didn't work. This is how I installed (version 5.20....
Unnamed's user avatar
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how to launch flatpak calibre from the console?

How do I start calibre from the bash console? nicholas@mordor:~$ nicholas@mordor:~$ com.calibre_ebook.calibre com.calibre_ebook.calibre: command not found nicholas@mordor:~$ nicholas@mordor:~$ ...
Nicholas Saunders's user avatar
0 votes
1 answer
314 views

How to convert ebook in Calibre?

How do you convert an ebook to a different format in Calibre? If I select a book, click the big "Convert Books" button, select output to "MOBI", and click "OK", it ...
Cerin's user avatar
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4 votes
1 answer
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Calibre crashing on start-up

When I try to launch calibre I get the following error: calibre qt5ct: using qt5ct plugin Gtk-Message: 14:55:04.251: Failed to load module "atk-bridge" Traceback (most recent call last): ...
Hermit's user avatar
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1 answer
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Adobe Digital Edition not opening in WIne

Been through all the posts out there and almost all are outdated. Installed latest Wine stable + wine-gecko-2.47.1. I then downloaded Adobe Digital Editions 4.5. Installation in Wine went smoothly. By ...
i9pp0's user avatar
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2 votes
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Cannot launch the Calibre ebook reader? [duplicate]

Why isn't calibre starting below? nicholas@mordor:~$ nicholas@mordor:~$ sudo apt install calibre Reading package lists... Done Building dependency tree Reading state information... Done ...
Nicholas Saunders's user avatar
26 votes
6 answers
16k views

Calibre No Longer Working

Calibre stopped working recently. Tried uninstalling and reinstalling. When I open a terminal and call $calibre I get the following error message: Traceback (most recent call last): File "/usr/...
rory's user avatar
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Evince: How do I set a keybinding for the autoscroll?

I use evince with calibre as my primary ebook reader on Lubuntu 20.04. I find the autoscroll feature pretty useful. How can I set a keybinding to toggle autoscroll on evince?
computronium's user avatar
2 votes
0 answers
2k views

How to add offline dictionary to Calibre?

"I have recently installed calibre for ebook reading. To find the meaning of unknown words, the calibre has an option to look into the dictionary. I know to use an online dictionary with calibre. ...
Posi2's user avatar
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Calibre on Ubuntu 18.04 installed in wrong language

I have installed Calibre via Apps and a momentary lapse means it is now running in Chinese. Removed it, restart, reinstall, no change. Removed it via GUI, then tried in terminal ls /opt/calibre and ...
dumbnewbie's user avatar
2 votes
0 answers
368 views

Ubuntu 18.04 Evince and Calibre reader must be restarted every page to load font

For PDF files about 15 MB or more, the fonts are garbled every time I go to a new page. If I close the file and reopen it, the font on the current page is fine, but other pages are garbled. It ...
knt5784's user avatar
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1 vote
1 answer
1k views

Calibre crashes with "Segmentation fault" (core dumped)

I am using Ubuntu 16.04. LTS and I have calibre installed. Unfortunately, it doesn't launch anymore and crashes on startup without any error message. When I launch calibre from terminal (to get some ...
Ijon Tichy's user avatar
1 vote
0 answers
219 views

Diagnosing a service not starting on reboot (Calibre eBook)

I'm trying to figure out why a couple of my services aren't starting up at reboot. Once the system is up and running, I can run the service without issue. /var/log/error.log Nov 16 04:01:31 Ubuntu ...
Ackis's user avatar
  • 198
15 votes
4 answers
44k views

How do I get a dark theme/night mode in Calibre Ebook Viewer?

Most Ebook readers come with a standard easy Night Mode switch. I'm trying to figure this out in Calibre. So far, I've been able to change the app theme to use my dark System theme by creating $ sudo ...
Dawoodjee's user avatar
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5 votes
2 answers
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When is the latest Calibre 3 going to be available in Ubuntu 16.04 in Software Center?

The current version which is 2.55.0 is not working for me and does not support my Pocketbook Inkpad 3 ebook reader and other ways of installation are too complicated for me.
geras's user avatar
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1 answer
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Calibre. does it possible to use network samba share for library storage folder

Ubuntu xenial 16.04. Calibre 2.55. All work fine, but when i try to create an empty library on a nas share selecting an empty Untitled Folder. i got Traceback (most recent call last): File "/usr/...
Yurij's user avatar
  • 515
1 vote
1 answer
181 views

Software Updater - Problem after Calibre upgrade

I'm new around here so first of all sorry if this is not the right place to post. I am using Calibre under Ubuntu 16.04 LTS. Recently I decided to upgrade from the version distributed through the ...
pinosan's user avatar
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1 vote
0 answers
3k views

Delete or merge duplicate books at Calibre

I'm managing my e-books with Calibre. Unfortunately, in there kinda 1000+ duplicates has been created when I was importing 10,000 books. Also there were some books with no formats available, means ...
CodeMascot's user avatar
2 votes
1 answer
244 views

PDF book opens in Mendeley when openned from Calibre

I have Ubuntu Gnome installed and I am using i3wm. Everytime I double click a book in Calibre to open it it opens in Mendeley desktop. This doesn't happen under Gnome. Could you explain why this ...
user10853's user avatar
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1 vote
1 answer
583 views

convert zip file to ebook

I want to convert a zip file into an ebook using calibre 3.2.1 but the order of the chapters is in alphabetical order. You might be able to imagine that reading a book with the chapters in ...
Akisame's user avatar
  • 3,283
0 votes
2 answers
2k views

Calibre server doesn't start on Ubuntu server 16.10 with systemd

I am trying to get Calibre server to start automatic during startup. I have used this tutorial. Then I've used this script: [Unit] Description=Calibre Service After=network.target [Service] User=...
Jan Peetoom's user avatar
2 votes
0 answers
756 views

Conversion images pdf to text

I have a 500page pdf scan of a 15th century book. I wish to convert it into a single txt file of any format so as to be able to work on it and/or export it to epub. Calibre is unable to process it. ...
Arnaud Doolittle's user avatar
0 votes
2 answers
352 views

KDE Redirect application links to wrong address

I am using ubuntu 16.04 with kde 5. I am trying to authorize calibre to access my goodreads account. When I click on the link the browser opens the login page instead of opening the authorization ...
LonsomeHell's user avatar
0 votes
1 answer
189 views

Calibre Hangs on Xubuntu and Cinnamon, but not Ubuntu or XFCE

This is a really strange problem that has just started. It appears to happen to other python apps as well? At the risk of misleading, I think it might have to do with moving my user files? Firs, ...
Chad Wright's user avatar
2 votes
1 answer
2k views

Problems with installing Calibre on Ubuntu 16.04

I installed calibre. When i try to open it via console it states This application failed to start because it could not find or load the Qt platform plugin "xcb". Available platform plugins ...
Damm Joe's user avatar
0 votes
1 answer
2k views

(comics library) Convert multiple rar files to multiple cbr files

I'd like to convert my comic library to CBR to use in Calibre/ACBF Viewer/Mcomix and Android devices, but I dont want to do a single cbr file. Is there a faster way to do this? I use KDE and Unity ...
Auridian f's user avatar
2 votes
1 answer
171 views

Calibre install hosed my desktop

So I installed Calibre -- the epub reader -- on my Xenial drive and noticed right away that the icons on my top-panel & my desktop were suddenly all-white with a red "X" on them. I re-booted, and ...
Melvin Q. Watchpocket's user avatar
1 vote
1 answer
602 views

Calibre Startup Error : Bus Name already exists

I am unable to launch calibre application. I tried re-installing it. Yet, it still gives me the following message every time. calibre, version 2.55.0 ERROR: Startup error: There was an error during ...
Vamshi Krishna's user avatar
4 votes
1 answer
306 views

Making calibre work with Aquaris M10 phablet?

Sending books from calibre to the M10 phablet connected to a laptop through an USB cable does not work out of the box. On the laptop, start calibre Plug the tablet to the laptop using a USB cable The ...
ubibene's user avatar
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4 votes
2 answers
12k views

How to convert this chm file to pdf? [duplicate]

I want to convert a chm file to a pdf file. Calibre's command ebook-convert ebook-convert 1.chm 1.pdf only converts the first 7 pages of the chm file into a pdf file, while the chm file has much more ...
Tim's user avatar
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1 vote
1 answer
718 views

Calibre cannot load ImageMagick since upgrade to Vivid Vervet

I just upgraded to Ubuntu 15.04 and now Calibre won't work. File "/usr/lib/calibre/calibre/utils/magick/__init__.py", line 15, in <module> raise RuntimeError('Failed to load ImageMagick: '+...
Joshua Fox's user avatar
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2 votes
0 answers
2k views

Kindle Paperwhite Ubuntu 14.04

I recently bought a Kindle Paperwhite. On initial connection with my Ubuntu 14.04 laptop, I had no issues. The Kindle was mounted, and I put some ebooks on the device using Calibre. However, now I ...
danielvdende's user avatar
2 votes
1 answer
2k views

Calibre is not using GTK+ theme

I installed calibre from their site, not the packaged version, because it lags behind. It's working fine, but is using a different theme (plastic I guess) instead of my current theme (numix). Is there ...
ivant's user avatar
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