Questions tagged [epub]

A standard format for ebooks defined by the International Digital Publishing Forum (IDPF)

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5 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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4 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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9 views

Google Books support audio files in reflowable ePub?

I want to add audio files to my reflowable ePub. But it seems like not working in Google Books, but it works on iBooks. Kindly help if anyone knows how to add audio work on ePub for Google Books. I ...
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16 views

Change eBook font doesn't change font for ordered/unordered lists

I've created an ePUB with fonts exported so that when viewed on "Original" (eg in iBooks), you see the same font as the paperback edition of the book. But if you change the font in iBooks (...
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13 views

EPUB 3 large file leading to poor performance

I am generating very large epub3 books (almost all text) and I have noticed severe performance issues when trying to read them. Is there any format changes I can make to make reading performance ...
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18 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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9 views

Sigil EPUB: Auto-generating internal links to illustrations

I'm working on converting a large book from its original digital masters to EPUB. I'm using Sigil right now, but am open to using other tools where appropriate. This book contains a lot (240!) of ...
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32 views

How to analyze an ebook in order to find out difficult vocabularies?

I am learning English by reading ebooks in Epub format. When it comes to novels, I find out checking every difficult word in dictionaries impeding the understanding of the whole flow. So I like to ...
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29 views

Save reading percentage, bookmarks and highlights inside of epub file

Is there a way or a specific epub reader that can save highlights and bookmarks inside of the epub file. Basically I would like to have an app that works like kindle on different devices, so that my ...
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28 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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41 views

How to remove extraneous page numbers from ePub TOC

I've created this epub file as an export from an Indesign file, and it's got two problems that I can see immediately: The ToC includes page numbers after the chapter titles, even though I've created ...
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24 views

Alternate covers for different devices and software

Quite new to writing and editing ebooks and I wondered something. I know in webpages it's possible to produce alternate styling and content based on what the content is being viewed on. So CSS can ...
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25 views

Debugging “Processing failed” errors when uploading DRM-free EPUB3 to Google Play Books?

I have a persistent but intermittent problem when uploading some EPUB3 ebooks to Google Play books. Sometimes the upload seems to take a long time, then stops and gives an error message "...
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30 views

How many links are too many for EPUB?

I have an ebook with a large number of internal links. The stats are below. I'm trying to understand if my troubles are related to the Kindle Previewer or to some unspecified limit on how many ...
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1answer
26 views

Why does EPUBCheck report warnings and errors for ISO8601 date-time string?

While working on a PHP script that builds EPUB 3.0.1 content from external data, I encountered a situation where EPUBCheck complains about a valid ISO8601 date-time string in two places in the ...
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62 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 ...
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15 views

Why are the last footnotes of each page in my book broken?

I have a book that has pages with footnotes, but the last and only the last one or two footnotes are always broken on my Kindle Paperwhite (Not on any other reader). That means they are treated as ...
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93 views

Why my EPUB background is black?

I converted .docx file to .htm and convert it to .epub in Calibre. When i view it, the background color is black. How to change it? I tried change the css background color but it doesn't work. Any ...
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28 views

Can you send epubs to Kindle and keep the cover art?

I've been working on a hobby javascript project recently that automatically compiles content from some websites into an epub (with the help of epub-gen) and then sends it to my device via the Send-to-...
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143 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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20 views

fix spine order and file names based on toc.ncx

I do have epub2 book with wrong spine (files in it are also in wrong order). I was able semi-automatically to fix correct order and create correct toc.ncx. Each file contains one or zero chapters ...
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116 views

Kobo Libra images appear very small

I have a new Kobo Libra and bought 2 online epub books. I transferred them onto Kobo by using Calibre. When opening the eBook the layout is fine except that all images appear very small!? I've opened ...
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1answer
62 views

Changing my eBook reader. Any way to take my kindle books with me?

I am changing from Kindle for reading eBooks onto a different eReader platform. I've purchased a couple of eBooks for Kindle on the Amazon platform but those books I didn't start reading yet. ...
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15 views

Generating scrollable section list

Navigating through https://github.com/danchoi/kindlefodder I've found that some of the docs contain a neat section list. To view it, you have to click on the top of the page to reveal the options, and ...
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414 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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21 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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27 views

How to generate a foolproof polytonic Greek ePub for the Kobo?

I intend to use Seumas MacDonald’s Ἡ Ἑλληνικὴ γλῶσσα καθ’ αὑτὴν φωτιζομένη (Lingvæ græcæ per ſe illvſtrata, or The Greek language illustrated by itself) to learn ancient (Koine) Greek. I can load a ...
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22 views

Can epubs include input fields and enough javascript to allow measurement unit conversion?

I'd like to compile culinary recipes into epub format, one recipe per ebook. It would be good if instead of hard-coding ingredient amounts, the user could simply enter the number of people they're ...
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270 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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23 views

Is there a Cloud Service that can allow me to remove downloaded EPUB files?

DRM software out there is pretty expensive, like Adobe's DRM solutions. Even resellers of their service are a little expensive for a smaller business. This is the best price I could find. I'm ...
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115 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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Formulas alignment with mathml

I am creating an epub3 of mathematical argument, using mathml for formulas. How do you write a block of formulas one below the other all vertically aligned on the left and not centered?
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608 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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31 views

What is the correct way to apply Structural Semantic Vocabulary over multiple content documents?

I'm manually converting a book from HTML to ePub. The book is an anthology of works: a work of three volumes with each volume comprising several chapters. I'd like to use the Structural Semantic ...
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1answer
22 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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16 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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178 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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66 views

How do I import an EPUB e-book into my Kindle?

How do I import an EPUB (.epub) e-book into my Kindle considering that file format is not native to Kindle's?
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1answer
85 views

which readers honor -webkit-transform CSS property?

I have got an ebook (in epub format) of a popular Italian series for children. However, I cannot browse it with my usual Android ebook reader (Moon+ Reader Pro) because formatting is quite wrong: for ...
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41 views

calibre reader automatic edits to epub documents

It is widely known (see How to delete Calibre ePub bookmarks), though not to my knowledge documented, that Calibre makes modifications to EPUB documents even without the user's choosing to edit them. ...
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55 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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37 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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51 views

Convert mathml formulas to PNG or SVG

My ereader does not support mathml formulas. How can I convert all the formulas inside an epub to PNG (or SVG)? I'm fine with scripts, so it doesn't need to be a software solution.
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2answers
156 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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1answer
105 views

Continuous scroll for ePub reader in PWA

Is anyone aware of limitations that would prevent an ePub reader within a PWA built with Typescript/Javascript in an Ionic/Angular framework from having continuous/infinite scroll?
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42 views

How to know what is wrong with an ePub file converted from FB2 and not able to be opened by iBooks?

I have an EPUB file converted from FB2 by my own programmatically. I need to convert exactly programmatically because I'm going to develop an iOS app which should take an FB2 file, convert it to EPUB ...
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1answer
358 views

Genres/ Subjects/ Categories in epub's metadata

What is the proper way to define genre in epub's metadata? (in OEBPS/content.opf file.) I can't google the definition, just some obviousness mentions like "It may also include many other things ...
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22 views

How do I get epubs from my Inbox to my PC Kobo?

Not interested in eReaders. I just want to take epubs in my mailbox and put the into my desktop Kobo.
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64 views

Which is best to make ebooks from web pages: dotepub or epubpress?

DotEpub and EpubPress are two extensions to Chrome (and Safari) to produce ebooks from web pages. EpubPress has the advantage that it can have as input up to 30 web pages and compose them into a ...
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75 views

Scan epub and pdf to ascertain absence of malware

Is it possible to verify the absence of malware in epub and pdf files?. I'm using a MacBook Air, macOS Catalina, and iPad mini iOS 13. What program can I use?

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