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Questions tagged [calibre]

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

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1 vote
0 answers
184 views

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?
0 votes
1 answer
1k 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 ...
0 votes
1 answer
562 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 ...
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 ...
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 ...
1 vote
1 answer
118 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 ...
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 ...
-1 votes
2 answers
321 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!...
1 vote
0 answers
632 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 ...
24 votes
7 answers
47k 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 ...
4 votes
1 answer
268 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 votes
1 answer
984 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....
3 votes
1 answer
5k 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 ...
2 votes
0 answers
108 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 votes
0 answers
167 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 ...
0 votes
0 answers
391 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 ...
0 votes
1 answer
3k 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 ...
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 ...
1 vote
0 answers
106 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 votes
1 answer
48 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. ...
1 vote
1 answer
22 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 ...
2 votes
1 answer
716 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?
0 votes
0 answers
133 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 ...
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 ...
1 vote
0 answers
77 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!
0 votes
2 answers
894 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 ...
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 ...
1 vote
1 answer
1k 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?
2 votes
2 answers
4k views

convert mobi to epub

Can somebody help me convert this mobi file into a different format, such as pdf/epub? I've tried both online services and software, but it fails and even freezes in readers as the file is too many ...
2 votes
0 answers
365 views

Syncing highlights made on kindle with kindle for Mac

I have a Kindle Paperwhite, on which I've transferred books from my Mac using calibre. While reading on my kindle, I've made some notes and highlights. How do I go about syncing these highlights and ...
1 vote
0 answers
313 views

iOS app to read books from Calibre library store in iCloud drive

I'm looking for an app (or apps), which can access and use Calibre library, stored in iCloud. It was pretty easy to set up Calibre on both macOS and Windows to simply load the library from a ...
1 vote
2 answers
399 views

how to convert markdown with sub-markdowns to ebook

main.md contain sub-mds: main.md 1. [1 - ](1.md) 1. [2 - ](2.md) 1. [3 - ](3.md) 1. [4 - ](4.md) 1. [5 - ](5.md) 1. [6 - ](6.md) I use calibre command: ebook-convert main.md main.epub But only ...
1 vote
0 answers
20 views

Calibre: suppress message that is displayed when opening to Full Screen

When opening to full screen, Calibre displays a splash with instructions. I have been using Calibre long enough that I don't need to see this message. Is there any way to suppress this?
1 vote
0 answers
265 views

Export annotations from (non Amazon) book on kindle

I imported a manuscript (not published by Amazon, or anyone else, at least yet) into my Kindle and used the annotation feature to note down corrections to be made. I would now like to send the ...
2 votes
0 answers
27 views

Selective substrings in TOC - calibre

I have 100 HTML files with a structure like this: <div id="message-1">14 April 2015</div> <div id="message-2">16 April 2015</div> <div id="message-3">1 June 2015</div&...
3 votes
1 answer
4k views

Reading annotations in Calibre

I have installed the Annotations plugin for Calibre. I have added an annotated ebook from my Kobo Aura H2O device to my Calibre library. Then I imported annotations from the device and Calibre said ...
2 votes
1 answer
724 views

How to show all the books under a tag and its subtags?

Calibre has a feature that lets you create subtags. See "Making subgroups of tags" in the official blog post. Now to actually get hierarchical tags, in the tags section of the metadata entry enter ...
0 votes
1 answer
396 views

Calibre can optionally use a server to send mail

I tried calibre share/send to, but it failed with: Sending failed... Traceback (most recent call last): File "/usr/lib/calibre/calibre/gui2/email.py", line 44, in run self.func(*self.args) I ...
0 votes
1 answer
603 views

Kindle Voyage does not show book transferred under Calibre

I have a Kindle Voyage. I tried to transfer an AZW3 or MOBI book with 17MB size to it using Calibre. This book was previously converted from EPUB. But it does not appear in my Kindle Voyage. I have ...
0 votes
1 answer
162 views

Kindle Touch 4th Generation does not render published font correctly

I am using Calibre to create an ebook in Urdu language. The language is written from right to left. The whole book is in Unicode and uses UTF-8 encoding. If I open the book in TextEdit on Mac. Mac own ...
4 votes
1 answer
478 views

How to fix Calibre Author amalgamations?

Somehow I have managed to have several 'authors' that are an amalgamation of different names. Unfortunately, I can't seem to get them split up to how they are supposed to be. When I browse the ...
1 vote
1 answer
1k views

Calibre: Adding ", " as a separator for splitting the authors string

All of my ebooks have a filename of the form author1, author2, ... - [series seriesindex - ] title.* and I have set up Calibre to read metadata from the filename. Calibre, however, does not seem to ...
1 vote
1 answer
6k views

How do I use calibre to create page-numbered ebooks for Kindle?

I know Kindle can use APNX files for page numbering, and I've been told Calibre can generate those for AZW books, and I actually followed a tutorial on Reddit where they tell you to go to Calibre's ...
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 ...
1 vote
0 answers
178 views

How do I side load a zip containing images of different formats to a Kobo Aura H2O?

The usual way I side load books to my Kobo Aura H2O is with Calibre. I have zip files containing images with different formats, for instance JPEG, GIF, or PNG. The exact formats don't seem to matter....
0 votes
1 answer
185 views

how to extract specific tag using calibre

I only want to use a specific "< d i v>" of the htmls to create epub, say, all the other part is useless. Because each of the htmls is about 20k, and there are a lot of junk informations, scripts, ...
0 votes
1 answer
331 views

How to send web pages to a Kindle from Firefox?

I'm looking to send web pages to a Kindle from Firefox, so am looking at: https://www.online-convert.com/ Unlike Calibre, there's no convenient share button. There is an upload button for "the ...
3 votes
2 answers
6k views

How to correct unicode errors after converting file format?

To convert epub to mobi I utilized on online tool, but it seems to have resulted in odd unicode errors. Throughout the text there are 0092, 0093 and 0094 in place of punctuation. Is this likely to ...
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 ...
2 votes
1 answer
126 views

How can I get an HTML input converted to PDF at 6x9" or otherwise for KDP paperback creation?

I am trying to get from HTML originally intended for Kindle formats, to an output appropriate to KDP paperback format. Calibre appears to be producing 8 1/2 x 11" output, too large for this service ...