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Questions tagged [calibre]

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

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1 vote
2 answers
882 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 ...
2 votes
1 answer
473 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 ...
1 vote
2 answers
706 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 ...
0 votes
1 answer
1k 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 ...
0 votes
1 answer
41 views

Dot inserted on EPUB doc with Calibre

I am converting an Open Office Doc into EPUB with Calibre and everything works great, except in front of every Chapter Heading in the body of the doc, Calibre adds a single dot. I am using the tag &...
2 votes
1 answer
2k 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.
0 votes
2 answers
448 views

Best way to convert DOCX to EPUB?

Which is best for converting DOCX to EPUB? Pandoc, LibreOffice, or Calibre?
5 votes
1 answer
779 views

How to call a plugin from command line?

How to, lets say, hyphen an ebook with Hyphenate This! plugin from command line?
0 votes
2 answers
4k 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"...
1 vote
1 answer
350 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 ...
1 vote
2 answers
164 views

How to convert and read Khmer PDFs on Kindle?

I was able to find a PDF in Khmer language(a.k.a. Cambodian language). However, when I tried to upload it into my kindle, it turns everything into gibberish. I've looked around and there aren't many ...
3 votes
1 answer
90 views

☒ <- this is the only text displayed in epub on kobo

Having issues with ebooks, some new ones, and some that worked perfectly before (about a week ago). In the text sections throughout the book, I see either and only "☒" or "_☒". All ...
0 votes
1 answer
19 views

DRMless AZW3 sent to Kindle Paperwhite from Calibre shows as having a very small number of pages

I bought Excession in AZW3, but the page numbers show up wrong on my Kindle Paperwhite when I load it from Calibre. The book shows as having only 4 pages. The following did not help: Device > ...
0 votes
1 answer
467 views

Trying to repair unresolved hyperlinks in TOCs that crop up from time to time in conversions

I am converting some of my eBooks to EPUB and using Amazon's Preview app to confirm they're ok to send to them via the email to Kindle collection method. Commonly my most reoccurring error has to do ...
0 votes
1 answer
242 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 ...
0 votes
1 answer
29 views

Calibre: Can't get regex to populate columns with meta data by lookup name on Import

I need some help with regex, or maybe templates if regex isn't the best way. I know nothing about Python and am just getting into Regex because of Calibre. Trying to add some metadata to columns ...
0 votes
2 answers
658 views

Calibre - Kindle paperwhite won't show .epub book cover

I set the cover through Calibre and saved the book locally. Cover showed nicely for Apple Books, but when I sent it to my kindle paperwhite it just doesn't show. I am not able to send it through ...
1 vote
1 answer
161 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 ...
5 votes
1 answer
1k views

How to sort on books that aren't in a specific format in calibre

I'm using calibre to convert my books from pdf to mobi. My issue is that I have hundreds of books that are already in the mobi format and I'm looking only to convert the books that aren't already in ...
21 votes
1 answer
22k 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 ...
3 votes
3 answers
4k 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 ...
0 votes
0 answers
100 views

Encode Tag Metadata Into Epub

I have recently started converting some of my non-epub documents to the epub format. I see in Calibre that there is a 'Tags' column that contains genera information (screenshot below). I would like to ...
0 votes
0 answers
29 views

Why doesn't my PDF have updates made to the original EPUB?

In Calibre, I went in the editor and edited an EPUB and everything is fine; even sent the updated book to my Kindle and the updates are there. When I convert to PDF in Calibre and save to disk the ...
0 votes
1 answer
110 views

What makes the Kindle Paperwhite to show text from a EPUB file in light-gray font?

I've converted a DOCX file to the EPUB format using some online converter. It looks like the conversion was performed using the Calible behind the scenes. However this EPUB file is barely visible on ...
1 vote
1 answer
387 views

How to access the Wikipedia in its entirety as an epub file?

The built-in access to Wikipedia on the Kindle is lacklustre at best. Even if it were out of date, might "the" Wikipedia be available as an epub for download? Or, perhaps that's such an ...
1 vote
0 answers
558 views

Calibre on TrueNAS

I have setup Truenas scale 22.12.3.1 and I wanted to move my libraries to Truechart calibre app. So I setup the app with app storage 2 NFS Shares, 1 for Imports and 1 for Libraries. The NFS Share ...
12 votes
1 answer
2k 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 ...
3 votes
0 answers
135 views

Calibre - no available format

I have been using calibre in Mac for a long time. Recently I subscribed to iCloud and store my Calibre folder in iCloud. Somehow, plenty of books in my library cannot be open (mainly PDFs) and the ...
1 vote
0 answers
14 views

How do I download TED transcripts to a Kindle Paperwhite without using Instapaper or Windows Chrome?

I am a Windows 10 user who would occasionally like to download the entire transcript of a TED presentation to my Kindle Paperwhite without having to use Instapaper or Firefox's extension for Chrome (...
1 vote
1 answer
2k views

How to add a calibre bookmark txt to manifest

I converted my docx into a epub file using Calibre but Smashwords is saying that the META-INF/calibre_bookmarks.txt file is not listed in the manifest. Below is their full explanation. Does anyone ...
2 votes
2 answers
643 views

Create more than one database for Calibre and load both or switch between them

I'm new to Calibre and just installed it yesterday to manage my books. It seems great for handling books in various formats. I have thousands *pdf books and about 250 printed books that I'm going to ...
1 vote
0 answers
68 views

use vi/zathura bindigs with calibre viewer

I have used zathura for ebook viewing in the past. I accidentally stumbled upon the calibre ebook-viewer after downloading the editor and I quite like the extra functionality it offers. However, I can ...
2 votes
0 answers
41 views

How to set Calibre Ebook Viewer and Focus on Mac?

Focus on Mac allows to schedule an automatic switch when a particular app is open. However, Calibre Ebook Viewer is not a standalone app on Mac. This app is inside of the parent package contents of ...
5 votes
2 answers
298 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'...
0 votes
2 answers
675 views

EpubCheck in Calibre gives errors with epub:type and aside

I get these two errors: ERROR(RSC-005): Error while parsing file 'attribute "epub:type" not allowed here; ERROR(RSC-005): Error while parsing file 'element "aside" not allowed anywhere; How can I ...
37 votes
6 answers
13k views

Clean up converted ebook

I have some ebooks which are converted from other formats to ePub. Some are ill-formatted: there are hard line breaks in words and orphaned page numbers between paragraphs. Example: How can I repair ...
2 votes
2 answers
2k views

Can I force Calibre flow mode to ignore page breaks and never skip pages like paginated mode?

The icon for Flow mode shows a viewport with the bottom half of one page on the top followed by the top half of the next page underneath it. But I've found that when I activate Flow mode this only ...
6 votes
4 answers
7k 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 - ...
5 votes
2 answers
13k views

How to change text alignment with Calibre book editor

I have a book in .epub format (I will be converting it into .mobi after), and I need to change the text alignment to left everywhere. I am aware of the text alignment feature in the book editor but ...
1 vote
1 answer
577 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 ...
2 votes
1 answer
935 views

How to add read status column in calibre?

I want to sync my read status in caliber with my Kobo Auro H2O(Koreader) but it is not supported yet so the advice here is to create a read status column then sync the data to it. Can anyone explain ...
1 vote
0 answers
67 views

How to solve the issue of two cover images being created when converting from epub2 to epub3 using pandoc?

Essentially, what happens is that when I convert from epub 2 epub 3 using pandoc by using the following line: pandoc input_file.epub -t epub3 -o documents/input_file.epub I get the version changed ...
33 votes
9 answers
29k views

Are there any WYSIWYG editors for EPUB books?

I am looking for an easy to use editor that provides a WYSIWYG (“What You See Is What You Get”) interface. I know that you can import a Microsoft Word document into Calibre, but I would prefer to be ...
18 votes
3 answers
8k views

Can I create my own ebook cloud with Calibre?

I have heard that I can use calibre to create a cloud with all my books, not just ones from a specific vendor. How would I do it?
1 vote
0 answers
83 views

Calibre cuts full anime pages

I have a quick question about calibre. My process is that is have a folder with JPG's of a manga that I read, I then zip that folder into a zip file and run it through calibre to get a PDF file in the ...
1 vote
1 answer
284 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?
2 votes
2 answers
841 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. ...
0 votes
1 answer
195 views

Calibre is changing HTML content while converting

I used Calibre to convert my HTML file to EPUB3 and check it with its viewer and I notice that a lot of syles are missing !!!! so I check the created ebook's files using calibre local editor and what ...
3 votes
2 answers
6k views

How do I start over and create a new Calibre library?

I don't know what to do to get my Calibre library back. I have tried restoring my Calibre library from backups, and either get a message that no valid library is present when I try to switch ...
0 votes
1 answer
238 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 ...