Questions tagged [calibre]

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

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1answer
1k views

It's possible to add a background-color: / background: BLACK (with white text) for a page in an AZW3 ebook?

I'm trying to make a page black background with white text but it doesn't work. (AZW3 format) Any ideas for html code? I've tried both background and background-color and they don't work.
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1answer
144 views

How can I add a news website that does not have rss feed, to Calibre?

Some of the news websites do not have an rss feed. Is there a way to add such websites to Calibre as a news source?
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1answer
508 views

How to call a plugin from command line?

How to, lets say, hyphen an ebook with Hyphenate This! plugin from command line?
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2answers
2k views

Occasional blank pages in ePub produced by calibre from Word document

I'm completely new to calibre and e-book creation in general. I've converted a large .docx file to ePub format. When I browse the result with the calibre e-book viewer there is sometimes a "blank page"...
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1answer
168 views

Create ePUB in Calibre without Document Outline?

I have a book that's made up of a bunch of .tif images. I have all the individual .tif files, and a pdf with them all put together. I'm trying to make a .epub file for the book. When I try to ...
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2answers
251 views

JPG loses quality during ePUB to PDF conversion with calibre

I have a ePUB with a bunch of formulas as JPG files. In the ePUB they are super crisp, but during ePUB to PDF conversion with calibre all the images become blurry, I'd imagine they are JPG compressed. ...
5
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1answer
276 views

How do you make paragraphs break in iBooks or Nook?

I have just finished the long and arduous task of typesetting a book using quarkXpress2015. While everything is beautiful on-screen and as a PDF, things get ugly when exporting as ePub for ebooks. I'...
2
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1answer
129 views

How to add read status column in calibre?

I want to sync my read status in caliber with my Kobo Auro H2O(Koreader) but it is not supported yet so the advice here is to create a read status column then sync the data to it. Can anyone explain ...
2
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1answer
698 views

Can I force Calibre flow mode to ignore page breaks and never skip pages like paginated mode?

Is there a way to force Calibre to scroll content like a regular web page, instead of scroll normally till the bottom of a page comes up, then skip the whole screen to the next page, then skip to the ...
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1answer
26 views

Calibre is changing HTML content while converting

I used Calibre to convert my HTML file to EPUB3 and check it with its viewer and I notice that a lot of syles are missing !!!! so I check the created ebook's files using calibre local editor and what ...
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2answers
2k views

How do I start over and create a new Calibre library?

I don't know what to do to get my Calibre library back. I have tried restoring my Calibre library from backups, and either get a message that no valid library is present when I try to switch ...
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1answer
15k 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 ...
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1answer
23 views

What will be the Kindle file type replacement for when mobi files are deprecated?

What is the current or preferred file type to convert an epub to for a kindle? Assuming paperwhite, or similar relatively recent model. My kindle has backlight but isn't waterproof like the ...
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1answer
20 views

How to convert and read Khmer PDFs on Kindle?

I was able to find a PDF in Khmer language(a.k.a. Cambodian language). However, when I tried to upload it into my kindle, it turns everything into gibberish. I've looked around and there aren't many ...
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Is it possible to add a Table of Contents to a CBZ file for my comics?

I want to save a volume of a comic with the table of contents showing each chapter. Is that possible?
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1answer
37 views

Convert fixed layout azw3 file, to pdf first or other formats if not possible, with all formatting intact

I have an azw3 as described above. It can be converted into epub, using the extension from Calibre "Kindle Unpack", but there are no paragraphs, meaning that the all the words in the txt ...
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14 views

Convert multiple html files with assets to EPUB3

how can i convert multiple HTML files with their own assets(CSS/js/font/images) into epub3 I already have tried caliber and ebook-convert input.html output.epub but a lot of assets are missing and ...
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0answers
19 views

Does prefers-color-scheme media query work for dark mode in most readers?

For the past year or so I've been reading my books with dark mode enabled on an iMac (Books/iBooks). Additionally, I use both Books and Marvin 3 on the iPhone, which also have this feature. Lately, I'...
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2answers
1k views

How to convert epub/mobi to PDF without image distortion?

I've used Calibre to convert Mobi/Epub to PDF. The overall output is good, however, the image is always not in good shape. For example, How image shows in Kindle reader (Android app) How image shows ...
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1answer
31 views

Show books of device that are missing in calibre

How can I show books that are on the device, but not present in the local Calibre library? I have installed Calibre on multiple computers. Naturally, my eBook device ends up with the complete ...
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2answers
534 views

Calibre changes font coverting AZW book to EPUB

I'm trying to convert an azw book to epub. Calibre completes the conversion with no problem, but the font has changed (to something ugly). I know I can use the look and feel settings to fix this, but ...
2
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1answer
217 views

Adding a language that Calibre does not recognize

I want to add languages that Calibre does not have in its database, such as Farsi (an alias for "Persian") and Hindavi (the precursor to Urdu and Hindi), so that I can use those languages in the ...
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2answers
432 views

ebook-edit in calibre automation with python

I want to write a python automation program for merge html files in a epub using ebook-edit(in MacOS sub directory) in calibre. I know how to do it manually but I want to it many epub files ...
0
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1answer
896 views

How do I direct links in popup-footnotes directly to main text?

Using calibre and epub3 I'm using popup footnotes (with epub:type). In some of the footnotes I present links (ex. a link to Chapter 2) to the main text. This referred text should not be presented in ...
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1answer
69 views

How to convert PDF's with footnotes for Kindle?

I have a collection of PDF files which I'm looking to load onto a Kindle. First, however, they need to be converted. Experimentation gives sub-par results by selecting and converting to mobi through ...
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9answers
26k 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 ...
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0answers
105 views

How to configure Calibre to bypass the Amazon requirement to verify each document?

What are known work-arounds to use calibre to send documents through its e-mail service? https://the-digital-reader.com/2020/06/05/when-did-amazon-start-demanding-that-you-verify-your-ebooks-before-...
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0answers
11 views

What are the limits or parameters for send-to-kindle for volume or quantity?

More of an Amazon Kindle policy question than technical. I have about two hundred PDF's which I'd like to load on my Kindle using calibre to send attachments. Each PDF is about fifty pages of text, ...
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5answers
8k 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 ...
36
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5answers
11k 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 ...
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3answers
847 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 ...
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0answers
20 views

Calibre - Rename book metadata from booklist with the keyboard

I would like to rename a book without going into edit book, edit metadata in individually, or edit metadata in bulk. The booklist is what you see when you open up the program, a list with books ...
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0answers
28 views

Calibre - Column for 'Last Opened'

'Last modified' will show when the book's metadata was last edited. Is it possible to add a column 'last opened' which updates with the current date whenever the file is accessed?
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1answer
27 views

Calibre convertion: text goes out of the screen

I just used Calibre to convert this html document into an epub. To do that, I first downloaded the chapter using: wget -r --no-parent -k https://www.supinfo.com/cours/1CPA/ and then I rename the ...
8
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5answers
17k 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 ...
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2answers
181 views

Epub edited in Calibre shows no mistakes but IceCream Ebook Reader show me mistakes

I am editing a book with Calibre and it seems perfect with Calibre reader, but when I save it and I open the epub using IceCream it shows me mistakes, I trying to discover why. Any comments? Thank you!...
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0answers
91 views

Adding a background image in Calibre

To get a background image in Calibre, I gather that I need to open a book and right click. This will expose a menu. Choosing "Preferences" >> "Styles" opens a GUI to change ...
21
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7answers
33k 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 ...
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0answers
191 views

Is there a standard, fool-proof way to add a cover to an ePUB?

I write my books (ePUB 3.0) using Sigil. In principle, there's a simple function to automatically add a cover, which creates an XTML file called "cover.xhtml", which looks like this: <!...
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1answer
96 views

Is it possible (and how do I do it) to set up my Kindle to talk to Calibre over Wifi, instead of talking to Amazon?

I have a Kindle Paperwhite. I also have Calibre, and a goodly number of DRM free ebooks that have nothing to do with Amazon. I'd like to be able to transfer these to the Kindle without the hassle of ...
2
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1answer
804 views

writing inline footnotes for html to mobi conversion using calibre

I'm generating html code that I convert to .mobi format using Calibre. I have implemented endnotes with backlinks as follows: text.html: this is some text <a id="footnote1" href='footnotes/1....
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1answer
2k views

how to NOT have calibre reduce pictures' resolution when converting from epub (or anything I guess) to MOBI

I'm selling art ebooks on KDP Amazon, and I need the pictures not be shrinked as they automatically are when passing from odt to mobi/epub. But it would be easier if Amazon didn't have to convert epub ...
7
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1answer
567 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 ...
2
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0answers
36 views

Is there a way to get e-readers to change endnotes into footnotes?

I use Calibre on Linux and have a kindle (not sure the model but it has touchscreen and a built in light). I'm wondering if there's a way to get these readers to move endnotes to the bottom of the ...
2
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0answers
27 views

Set calibre cover style on per-library basis

In calibre I have some different libraries in which I store different kinds of books. Most of them don't have a "built-in" cover, so I use the cover generation function of calibre to create ...
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0answers
139 views

I've started created my epub v3 with Sigil, should I have used Calibre instead?

I'm new to creating ebooks. I have mp3s and mp4s that I want to include in my epub so I started off making an epub v3. I started with using Sigil to create my file but I'm wondering if it was a ...
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1answer
761 views

How to customize the font when converting from EPUB to MOBI with Calibre?

From within Calibre I generally right click an EPUB book, select "share" and send it to my Kindle address -- it pops up on my e-reader fine. I'd like to set a preferred font for that ...
5
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3answers
12k 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 ...
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0answers
61 views

How to fix the misaligned word wise after sideloading AZW3 with Goodreads?

I sideloaded the AZW3 with Goodreads using Calibre. And I see that the downloaded word wise is misaligned. Is there anyway to fix it manually? I am using Amazon Kindle Paperwhite 4
0
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1answer
25 views

Hash (#) in filename loses chapter information when converted with calibre

I use calibre's ebook-convert to convert HTML files into MOBI files. I have found that if the HTML filename contains a hash-sign (#), then the "chapter structure" of the generated MOBI file is broken. ...