Questions tagged [calibre]

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

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9 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
61 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 ...
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1answer
147 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
241 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 ...
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1answer
13 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 ...
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1answer
646 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
815 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
105 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
407 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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1answer
955 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 ...
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1answer
56 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 ...
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12k 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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2answers
1k 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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2answers
262 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 ...
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16 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 ...
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1answer
98 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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3answers
14k 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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10 views

Problem with endnotes in epub to pdf conversion

I have an ebook with lots of references (about 700) that are listed at the end of the book. I wanted to convert the ebook from epub to pdf so I used Calibre. The problem is that I get a pdf with 900 ...
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1answer
244 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'...
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1answer
665 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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21 views

Evince Document Viewer, Calibre: How do i set a keyboard shortcut for autoscroll?

I use calibre as my primary ebook manager (and viewer). I like to convert books to pdf, mainly because when viewed with Ubuntu's native evince document reader, I can use the autoscroll feature. Evince ...
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1answer
344 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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55 views

How do I convert from epub to mobi and reduce the file size?

I have a large (~200MB) image-heavy epub file that I want to convert to a <20MB mobi file. Following the advice in the answers to this question I am able to reduce the epub file size to <20MB by ...
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1answer
135 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. ...
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13 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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20 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
68 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 ...
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17 views

How to send a larger mobi book to a Kindle?

As you can see, the mobi file is 44M which presumably is too large for something somewhere along the line in getting this into the kindle e-mail service: thufir@dur:~/Calibre Library/William Rothwell$...
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30 views

Text alignment is not available

Recently I have upgraded my Calibre from 4.0.x to 4.17 and I found out a problem which did not occur before. Usually I download AZW3 file from Kindle App (PC version) and copy the downloaded AZW3 ...
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3answers
10k 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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25 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
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21 views

Can anybody help me modifying those css code?

I used those code from Github to change the theme of calibre reader. Everything seems okay but as you can see in the screenshot, at the right part and at the bottom part, the long text gets cut off. I ...
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22 views

How can I update images or edit file paths in Calibre?

Is there a way to update images in Calibre, without deleting them and then re-adding them? I have a project with hundreds of dummy images and am updating them as I go along but I have to currently ...
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14 views

Calibre Cover Grid View in Device Mode

Calibre shows a nice cover grid view of my library. However, when I switch over to the Device View to see the ebooks on my device (Kindle Paparwhite) I can only see them as a list. When I step through ...
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1answer
21 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. ...
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1answer
14 views

JPG continues to appear in subsequent pages

I have tables I converted to jpg inserted into the MS Word file of a book to be published. After converting to epub with Calibre, I noticed the jpgs continue to show in the background in pages after ...
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18 views

Calibre rewriting endnote back links

Calibre 4.13 I set up endnote links in an epub such that the endnote text has a back link pointing back to the source text. Like so: <a id="src-a1-1" href="#en-a1-1"> However, Calibre has ...
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3answers
4k 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 - ...
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27 views

How to send a long web page to a Kindle device?

What's the simplest solution to send a long web page to a Kindle device? Normally I use five filters, but it sometimes barfs. In this case I'm guessing it's simply the size of the page. I'm ...
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0answers
52 views

Add new format of a book to calibre from command line

There are some books with mobi and azw3 formats on my calibre library which I want to convert them to epub and I prefer to do it from command line. I'm able to convert books using ebook-convert but ...
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1answer
510 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 ...
2
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1answer
169 views

Is it posible to compact calibre library?

Haven't found any archiving functionality in Calibre by myself, so assuming it doesn't exist. I am right? How can I shrink the library size using Calibre without changing a books format?
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41 views

Convert math-heavy epub to mobi?

I have an epub with a lot of equations, and these get garbled when converted to mobi using calibre. (E.g., “=“ gets dropped off in the mobi version.) They also become rather small images. (I’d prefer ...
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1answer
1k 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 ...
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0answers
26 views

How to convert a batch of gif URLS to epub?

I have the pages of a book in the form of over 400 gif URLS. How can I most easily convert into epub format? Thanks!
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2answers
54 views

Fix broken eBook Table of Contents?

The Table of Contents of this .ePub file seems to incorrectly link to one page previous to the desired page. For instance if 'Part 2' is clicked, it directs to the last page of 'Part 1'. I have looked ...
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2answers
127 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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7answers
25k 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 ...
6
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1answer
12k 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 ...
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1answer
158 views

Calibre: Difference between “Date” and “Published”

When editing the metadata of a book on Calibre, there are two fields that seem to have the same meaning: "Date" and "Published". What's the difference between the two?