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Questions tagged [calibre]

Open-source ebook library management application for Windows, macOS, and Linux.

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37 votes
6 answers
13k views

Clean up converted ebook

I have some ebooks which are converted from other formats to ePub. Some are ill-formatted: there are hard line breaks in words and orphaned page numbers between paragraphs. Example: How can I repair ...
fuxia's user avatar
  • 946
33 votes
9 answers
29k views

Are there any WYSIWYG editors for EPUB books?

I am looking for an easy to use editor that provides a WYSIWYG (“What You See Is What You Get”) interface. I know that you can import a Microsoft Word document into Calibre, but I would prefer to be ...
Chad's user avatar
  • 1,678
31 votes
3 answers
16k views

Updating EPUB book author and title metadata

I own many EPUB books (Spanish, English). Some have the name of the author wrong, such as "Esquivel, Laura" instead of "Laura Esquivel". And have the name of series in book title, where it does not ...
Regina T.'s user avatar
  • 425
24 votes
7 answers
46k views

How can I reduce the resolution of images in an epub or mobi file?

Some of the last O'Reilly ebooks I got have become really large (e.g. 60MB for the mobi version and 5.5MB for the epub version) - and these are computer science text books (not art books). The ...
Martin Schröder's user avatar
21 votes
1 answer
22k views

How can I display 'word count' in Calibre while browsing my Library?

I use Calibre, to manage my library of eBooks. It is easy to include the size of the book, but with images and such that can be misleading. I notice on Smashwords they often include a word count in ...
James Jenkins's user avatar
21 votes
5 answers
11k views

How to build an epub starting from a bunch of HTML files?

I have a number of short HTML files (actually they are XHTML) with small problems and answers, which I post on my blog every Sunday, and I'd like to merge some of them in an ebook. I already did it ...
mau's user avatar
  • 2,364
19 votes
4 answers
19k views

Trouble hooking up Goodreads with sideloaded ebook on Kindle Paperwhite

So I'm using calibre to load ebooks onto my Kindle Paperwhite and everything seems to be working just fine except when I try to use any of the Goodreads options on that book ("View on Goodreads" or "...
nt22's user avatar
  • 191
18 votes
3 answers
8k views

Can I create my own ebook cloud with Calibre?

I have heard that I can use calibre to create a cloud with all my books, not just ones from a specific vendor. How would I do it?
James Jenkins's user avatar
15 votes
3 answers
24k views

How can I merge multiple ebooks in a single file?

Is there a way to easily combine multiple ebooks into a single file, that will collect all of them?
Sekhemty's user avatar
  • 6,194
14 votes
1 answer
2k views

How can I keep a large number of EPUB files, managed in calibre, "polished"

As described in this answer, you can manually polish EPUB files so they are updated with the metadata you added or changed in calibre, without converting the EPUB files. At least on Linux there is a ...
Anthon's user avatar
  • 7,641
12 votes
1 answer
2k views

How do I prevent Calibre from modifying EPUB files when I read them?

Whenever I have an EPUB file and open/read it using Calibre, Calibre silently edits the EPUB file. I know that Calibre edited my EPUBs because I calculated the checksums (SHA-256, MD5, etc.) before ...
Flux's user avatar
  • 263
11 votes
2 answers
7k views

How do I add an ISBN to Calibre ebook?

According to the Calibre website: Click the book you want to edit and then click the Edit metadata button or press the E key. A dialog opens that allows you to edit all aspects of the metadata. It ...
order-from-chaos's user avatar
11 votes
2 answers
17k views

How can I extract some chapters or sections from an ebook into a new one?

How can I easily extract some sections from an ebook and create a new one that will contain just those parts? It would be especially useful with omnibus ebooks when I want to read just some of the ...
Sekhemty's user avatar
  • 6,194
11 votes
1 answer
12k views

Ebooks file naming scheme -- Books in a series

Is there a best practice for naming books that come in a series? What is the best practice keeping things straight? Dilemma #1: The book publication dates don't match the Chronological order of ...
zipzit's user avatar
  • 213
10 votes
2 answers
2k views

Calibre: Author with the word "and" in the name?

Sometimes a book doesn't really have an explicit "author", but is rather authored by some group. So for example maybe there's a book about Croatian politics that's by "The Croatian Studies Institute"....
Bob Vesterman's user avatar
10 votes
1 answer
774 views

Start Calibre, update feeds, transfer files and close

I want to use Calibre for subscribing to RSS feeds, download new articles and bundle them in .mobi files. These files should be send to my Kindle via mail. Both these processes work without problems, ...
Tim's user avatar
  • 2,248
10 votes
2 answers
2k views

How can I make mathematics look good in ebooks?

I have so far tried using Pandoc to convert Markdown text containing LaTeX math to ePub with MathML. This works, but the resulting math displays quite horribly compared to what the corresponding math ...
Thomas Arildsen's user avatar
10 votes
2 answers
4k views

Is it possible to share annotations between a Kobo Glo and Calibre Viewer?

Is it possible to share annotations between a Kobo device (I own a Glo, but it should not matter I think) and Calibre internal viewer? I'm aware that there is a plugin for Calibre that can export ...
Sekhemty's user avatar
  • 6,194
9 votes
5 answers
23k views

Calibre ignoring font settings?

I am using Calibre 2.49 on an Ubuntu machine and I noticed that in eBook viewer preferences, whatever font I set, calibre just displays the default font. I tried this on many ePub books. Here is a ...
mayank budhwani's user avatar
9 votes
2 answers
6k views

How to avoid ebook image distortion

I'm experimenting with Calibre. I have a Word document, with several JPEG images inserted, each of them 537px wide. I exported the document as html, zipped everything and re-opened in Calibre. After ...
order-from-chaos's user avatar
8 votes
3 answers
867 views

Where is the best place to get Calibre?

If you search for Calibre you find multiple places to get this free ebook management tool from. I know some people have downloaded it and got lots of junk at the same time. from others, I keep ...
James Jenkins's user avatar
8 votes
4 answers
14k views

printing an ePub

I know it's funny, but I would like to print some booklets I have. They are in ePub format without DRM, and my idea is to create a booklet in A6 format (they are not very long, otherwise I would not ...
mau's user avatar
  • 2,364
8 votes
1 answer
634 views

PRS-T2 very slow with some PDFs

I have a PRS-T2 and use it a lot. Sometimes I convert documents to PDF in LibreOffice, then upload them to the ereader (using Calibre on a Mac). It works, but quite often turning a page can take ...
SPRBRN's user avatar
  • 183
8 votes
1 answer
3k views

Calibre ebook viewer - Apply User Stylesheet to Full Screen Mode

How do I apply styles to full screen mode only via the User Stylesheet? Specifically, I would like to adjust the body style during full screen mode to adjust margin-left. I would like to do this ...
iyrin's user avatar
  • 183
8 votes
1 answer
7k views

Epub -> Mobi/Azw3 conversion (calibre) , Kindle App doesn't show cover no matter what

I am trying to convert my ebooks from epub format to mobi/azw3, in order to put them onto my Kindle App and Paperwhite. Everything works fine except the book covers don't show up in kindle app. There'...
zephyros's user avatar
8 votes
3 answers
155 views

Sort/Select chapters/paragraphs by POV

I have often considered (and had suggestions) that it is worth reading some books only reading certain characters Point of Views. Particularly for Epic Fantasy, where there are many many characters. ...
Frames Catherine White's user avatar
8 votes
2 answers
2k views

self-hosted, self-updating book repository

My Amazon Kindle synchronizes with my Amazon library. Additionally, I have a Calibre library, which publishes its contents via a web server. As far as I know, you can only copy books from the server,...
Walrus the Cat's user avatar
7 votes
2 answers
3k views

How to delete Calibre ePub bookmarks

Whenever an ePub file is opened with Calibre's ebook viewer, a bookmark file is created inside that ePub. This file does not store user bookmarks, it is automatically used by the program to remember ...
Sekhemty's user avatar
  • 6,194
7 votes
1 answer
161 views

ePubs, PDFs and security

I get eBooks and literature from a variety of places. Mostly legal places, like Amazon - but sometimes from other random places. PDFs are more popular and come with advanced capabilities, like ...
WernerCD's user avatar
  • 173
7 votes
3 answers
6k views

Converting pdf with table of content to Kindle format

To convert the pdf using Calbre I use : Click 'Add Books' and add pdfs to library Save To Disk -> Save Only MOBI format to disk -Once saved the folder location of converted file should open. Send ...
blue-sky's user avatar
  • 183
7 votes
1 answer
374 views

Calibre custom news source - How to set publication author(s)

I have a few news downloads set up in Calibre (BBC, Guardian and a few custom ones as well). I note that once they are downloaded that the 'Author(s)' column for the publication is set to 'calibre'. ...
Steve Martin's user avatar
7 votes
1 answer
4k views

AWZ3 conversion not working

I'm attempting to convert a 26 meg AZW3 file to XML or HTML or TXT. I've tried a few online conversion sites, unfortunately they always fail with a very generic error message. I've installed Calibre ...
Matthew Walk's user avatar
7 votes
1 answer
2k views

Can I disable Calibre from doing any conversion?

I’d like to use Calibre purely for librarying and sync, and I don’t want it do do any conversion between different ebook formats. It is possible to turn off autoconversion when syncing ebooks with my ...
Robin Whittleton's user avatar
7 votes
1 answer
25k views

How to set a cover image on a PDF on Kindle PW2? [duplicate]

How do I set a custom cover image on a PDF downloaded on Kindle PaperWhite 2? PS1: I use Calibre to convert books and set covers, but it does not help with PDFs. The reason might be that PDF's are ...
Rayhunter's user avatar
  • 191
6 votes
4 answers
7k views

How to effectively manage ebooks using Calibre?

I started using Calibre and I'm unable to decide how to effectively use it to manage my ebooks. I've a huge collection of ebooks organized by subject into folders like Political Science, History - ...
claws's user avatar
  • 243
6 votes
3 answers
2k views

How do I repack a .mobi file?

I used Kindle Unpack in Calibre to unpack a .mobi file, so I could correct mistakes in images and text. It was easy - images were JPGs or JPEGs and text was .html or .htmlx files. Now I need to repack ...
NuTuCalibre's user avatar
6 votes
3 answers
18k views

How do I make Calibre convert CBZ to EPUB without images shrinking or conversion?

I've got comics in CBZ format with pictures in 2k or 4k pixels tall and when I try converting them to EPUB, Calibre shrinks the pictures to 1k or under, making them very blurry to view on a mobile or ...
JimmyCougar's user avatar
6 votes
1 answer
2k views

How to prevent Calibre replacing my cover image

I am trying to add an image as a cover of my ebook in "edit book" mode, so I choose "Add cover" from "Tools" menu, add my image and for a moment it seems to work, however very quickly the image is ...
helcim's user avatar
  • 163
6 votes
1 answer
19k views

Kindle doesn't show cover

I just got a kindle as Christmas present. I got myself calibre and loaded 4 E-Books on my kindle. I can open and read every book, but unfortunately I just can see the covers of 2 of these 4 E-Books ...
BoJack Horseman's user avatar
6 votes
1 answer
613 views

Convert/Send Standalone EPUB from PC to Kindle via Menu/Command Line

I have a number of EPUBs that I manage manually i.e. they are not in a Calibre library. These are in a Google Drive folder so Calibre is simply not an option. I'd like an easy way to convert these ...
Deep-B's user avatar
  • 163
6 votes
1 answer
2k views

Calibre viewer displays books wrong

I'm using Calibre the ebook viewer to view PDFs, DjVu, and ePub books. I don't know what version the program is, since I couldn't find any about dialog to confirm it. But I downloaded a couple of ...
Santropedro's user avatar
6 votes
1 answer
4k views

How to automatically hyphenate before sending to a device?

Is there a way an ebook gets converted to azw3 and hyphenated when I press "Upload to device" button in Calibre?
Smit Johnth's user avatar
6 votes
1 answer
1k views

Avoid additional styling of images in html made by Calibre viewer

Under Ubuntu 12.04 I converted with Calibre an html source to epub format, but when I read the resulting epub with Calibre I noticed (using the 'inspect' command of Calibre viewer) that images get ...
mmj's user avatar
  • 263
6 votes
1 answer
2k views

Problem with hyperlinks after converting chm to epub with calibre

I have a book in .chm format and I had to convert it into .epub format so I used Calibre for Windows for this operation. I am satisfied with the result except for a hyperlink problem. There are some ...
Karel Capek's user avatar
6 votes
1 answer
2k views

Calibre for metadata scraping

I'm looking for a way to do a very specific task in Calibre but maybe it's not the right software. I know there are plugins/functionality to automatically collect metadata for existing ebooks and to ...
besnico's user avatar
  • 69
5 votes
2 answers
2k views

How to filter curse words?

Many of the authors I read, enjoy placing curse words in their books but use them a bit judiciously. In addition, I am not a fan of cursing in general. I am currently filtering out curse words using ...
Aaron Klap's user avatar
5 votes
4 answers
9k views

Can I only transfer files to my Kindle Paperwhite using the cable that shipped with the device?

I read a lot of out of copyright (and sometimes out of print) books, which I download from Gutenberg.org and then transfer from my Mac to my Kindle, usually with the excellent Calibre app. I just ...
Jim's user avatar
  • 153
5 votes
2 answers
2k views

Can a custom column with "Date" type be added to the tag browser?

In Calibre, I created a custom column with the type "Date". While it gets displayed as column in the ebook list, it does not appear in the tag browser. Is there a way to have a date-based column as ...
unor's user avatar
  • 173
5 votes
3 answers
797 views

Calibre to Kindle Book Transfer

I just bought a Kindle Paperwhite. I am having troubles transferring books from calibre to Kindle. The major problems that I face are as follows: Font size even after changing the PDF format to ...
Prasad Ainapure's user avatar
5 votes
2 answers
3k views

Why can't I remove books from my device?

I used to be able to remove books from my Sony PRS-T1 reader using Calibre (either one by one or en masse). I am running a fully updated version of Windows 7, and I have the latest version of Calibre (...
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