Questions tagged [epub]

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

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19 views

How to include internet-based images in eBooks?

Can I include internet-based images (img tag with href set to a URL on the internet) in .epub, .mobi and Amazon-encrypted mobi? I always found documentation online that you can include images with ...
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6 views

How to remove (Untitled) sections from epub file - visible in kindle viewer

I've got a technically clean epub file that I made in Calibre. The table of contents is displaying well except for a sections labled (Untitled). I've looked for an html tag that might be causing ...
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16 views

How to hide toc.xhtml in epub 2

I have an epub 3 that I want to be backwards compatible for older e-readers that expect an epub 2. My table of contents is rendered in a toc.xhtml, as expected by an epub 3. In addition, I have an ....
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10 views

Link in footnote error from Calibre. Upload to d2D error

Here is the error Draft2Digital is giving me when I upload my epub file: ERROR(RSC-005): .tmp.tmpxl0rfcuu.epub/index_split_014.html(85,203): Error while parsing file: attribute "data-docx-vert&...
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21 views

How to convert the pdf (images slightly distorted) of a book to a clearpdf/epub?

Can someone please suggest a way to convert the pdf of a book which is collection of photos of the book into a clear pdf/epub. I have attached a sample page for your reference, and pages like these ...
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4 views

ecmascript and css in epub3

I am starting to learn to code to create e-books in EPUB format. I have two questions: Which type of Ecmascript is used in EPUB3? Is it es5 or es6? Is modern CSS which is SCSS/SASS compatible with ...
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1answer
24 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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51 views

Metadata for Epubs

I'm currently building epubs by hand (ok, I do cheat and use Calibre's epub editor from time to time). And through some curse from a dying sorcerer everything I'm doing is: One of a series/trilogy/...
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36 views

Any Ebook editor that allows easy media overlay?

I am trying to create an ebook with a media overlay (read aloud feature). Once created, I would like to use the ebook to play audio and highlight the text in the book at the appropriate time in the ...
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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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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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13 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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22 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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1answer
30 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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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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13 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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35 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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1answer
59 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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1answer
70 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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1answer
54 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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1answer
31 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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40 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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32 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
33 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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92 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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21 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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1answer
133 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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35 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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192 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
30 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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1answer
144 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
65 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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568 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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25 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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140 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 ...
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32 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
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 ...
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1answer
18 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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203 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
75 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
98 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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46 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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64 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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41 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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57 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
195 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
122 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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45 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
400 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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