27 votes

How can I reduce the resolution of images in an epub or mobi file?

Calibre already offers this functionality without any plugin. It's part of the ebook editor that installs with Calibre. The editor will only edit files in the epub or azw3 format though. You can ...
ChoiceD's user avatar
  • 371
18 votes

How can I convert an HTML site into an ebook?

I had the exact same problem for a long time. You can produce good results with Calibre, but I found the process was a bit involved. Instead I created a way to do this much more easily. It's a ...
Harold's user avatar
  • 181
7 votes
Accepted

Can I change the cover of a mobi/epub book?

Yes we can do that using opensource software like Calibre. Install the Calibre software and start the program. Copy the ebook.mobi file to your PC. Drag the book onto the Calibre software UI. It will ...
Amol Patil's user avatar
6 votes
Accepted

is there any software available to directly write in mobi format?

Your question -- if I may restate -- is whether there are tools which allow you to create ebooks natively for Kindle. Probably not, although it does have some specialized creation tools (Kindle ...
idiotprogrammer's user avatar
5 votes
Accepted

How to change text alignment with Calibre book editor

You can use a CSS style to apply this formatting to all your text: body { text-align: left; } This rule will be applied to all your text, so it will affect both regular paragraphs (<p> and ...
Sekhemty's user avatar
  • 6,194
5 votes
Accepted

How can I reduce the resolution of images in an epub or mobi file?

I had a similar situation: a 134 MB .mobi that I wanted to shrink. Here's how I reduced the file size to 26 MB. The key to this approach is that an .epub is actually just a zipped web page with ...
Matt Greene's user avatar
5 votes

How can I reduce the resolution of images in an epub or mobi file?

Note: I intended to leave this as a comment for @mosh but didn't have the necessary rep. This is my own personal solution based on the solution he outlined. This will recursively scan a specified ...
justathoughtor2's user avatar
5 votes

Can I change the cover of a mobi/epub book?

Actually, there's an easier way of changing the content: Change the file extension of your epub book from ".epub" to ".zip" You will be able to access all content because, now, the file became just a ...
Some Joe's user avatar
5 votes
Accepted

bulk conversion of EPUB for Kindle (mobi)

In Calibre You can select several books at once, and hit convert. It is an old feature, described on the official blog: Bulk convert: Calibre allows you to convert books in bulk. You can select a ...
Zsolt Botykai's user avatar
4 votes

How can I reduce the resolution of images in an epub or mobi file?

bash script to for bulk compressing images in big.epub to small.epub on Windows7 or Linux. You need to install cygwin on windows for (bash, unzip, zip, find, imagemagick). #!/usr/bin/bash USAGE="...
mosh's user avatar
  • 141
3 votes

How can I reduce the resolution of images in an epub or mobi file?

Here is a Python script I use to automate reducing the size of epub books: https://github.com/murrple-1/epub-shrink Example usage: $ python epub-shrink/app.py input_file.epub output_file.epub --jpeg-...
hoju's user avatar
  • 131
3 votes

How can I convert an HTML site into an ebook?

I went nuts figuring this out. Developed mile long Xpath strings and what not. Then it turned out to be ridiculously simple. I am ignoring op systems in this answer... (a) for the conversion to epub ...
guest's user avatar
  • 31
3 votes

What happens if I have used 2 different fonts in mobi/epub and user changes the font in the devise?

There isn't much you can do, if the device allows to change the fonts and the user is willing to use that option, he will do it. If you use different fonts not just for aestethics, but with a ...
Sekhemty's user avatar
  • 6,194
3 votes

What happens if I have used 2 different fonts in mobi/epub and user changes the font in the devise?

"As a publisher, it drives me crazy that a reader would switch fonts because of a personal preference" If they prefer it in another style I'm not sure why that would bother you. It would bother me ...
user10071's user avatar
2 votes

how to get books from computer to kindle

It is rather easy with the software Calibre. https://calibre-ebook.com/download Check it out, just download the tool to your PC, go into it and load the eBooks you want to put onto your Kindle in ...
Heartless68's user avatar
2 votes
Accepted

Converting pdf with table of content to Kindle format

A few quick thoughts. First, if you are using a Kindle Fire tablet, there is no need to do a conversion. just download a PDF Reader app from the app store and read the file that way. If you are ...
idiotprogrammer's user avatar
2 votes
Accepted

writing inline footnotes for html to mobi conversion using calibre

I've figured it out. To make the inline footnote works, must put the footnotes in the "Footnotes" section. Here is the example: I have the file: "HDN is the best.html" <html> ...
123iamking's user avatar
2 votes

How can I reduce the resolution of images in an epub or mobi file?

The short answer is that with few exceptions you should NEVER need to scale down .mobi files because Amazon.com will do it for you. I think 5.5 MB is a reasonable file size for an epub file. I don't ...
idiotprogrammer's user avatar
2 votes

is there any software available to directly write in mobi format?

I don't know exactly what you need but you can use libreoffice with the writer2epub extension that create automatically the epub version and, in conjunction with kindlegen, can create the mobi version ...
LordMax's user avatar
  • 53
2 votes

How do I download DRM-free books from Amazon?

My recent experience with Amazon is that they add DRM to their books, even when the publisher doesn't require it. I bought a DRM free book (published by Tor) from Amazon. I executed the following (...
Jonathan Benn's user avatar
2 votes

How can I reduce the resolution of images in an epub or mobi file?

Just install and use Send to PC official Kindle app for transferring files over the air to your device https://www.amazon.com/gp/sendtokindle/pc
Satbir Singh's user avatar
2 votes
Accepted

How to add a background image to each page of mobi or epub books?

You could try with standard CSS rules and see if the results work for you. Example for the background: body { background-image: url(../Images/image.jpg); } You can also try other background ...
Sekhemty's user avatar
  • 6,194
2 votes
Accepted

What happens if I have used 2 different fonts in mobi/epub and user changes the font in the devise?

First, though you can embed fonts in an epub/mobi file, there is no guarantee that the reading system will display the font correctly. I used an embedded font on my last ebook, and it did not render ...
idiotprogrammer's user avatar
2 votes

How can I create an ebook from existing HTML files?

You could also use Pandoc in conjunction with the kindlegen command-line tool. Converting your HTML files to Markdown files is not necessary but if done will allow (easier) conversion to other ...
Khalid Hussain's user avatar
2 votes
Accepted

Any way to keep captions of the images always with the image?

Ultimately, it depends on which ereader devices you want to support. Unless you are making a fixed layout book, the only method that will work 100% of the time is to make the caption a part of the ...
blendenzo's user avatar
  • 296
2 votes

How to avoid image distortion when convert my .epub to .mobi

Here is the css I use for my kindle images: div.image-container { width: 95%; margin-left: auto; margin-right: auto; } div.image-container img { width: 100%; display: inline; } The goal I ...
idiotprogrammer's user avatar
2 votes
Accepted

list-style-type: none; does not convert from epub to mobi

At our shop we create a separate set of EPUB source files to convert to MOBI, and we perform a bunch of automated hacks on them before zipping and converting so the eventual MOBI file will be ...
thinkulum's user avatar
  • 416

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