Questions tagged [calibre]

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

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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 ...
Thomas's user avatar
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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 ...
Krejko's user avatar
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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 ...
MStodd's user avatar
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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 &...
Jim French's user avatar
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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 ...
HEKTO's user avatar
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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 ...
Kostas's user avatar
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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 ...
Domingos Henrique's user avatar
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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 (...
Douglas Spaulding's user avatar
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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 ...
iHnR's user avatar
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☒ <- 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 ...
FedaykinWolf's user avatar
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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 ...
Masoud Moghaddam's user avatar
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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 ...
dv0zn3r's user avatar
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1 answer
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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 ...
Nicholas Saunders's user avatar
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2 answers
363 views

Best way to convert DOCX to EPUB?

Which is best for converting DOCX to EPUB? Pandoc, LibreOffice, or Calibre?
Geremia's user avatar
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588 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 ...
Lukas Luke Stateczny's user avatar
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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 ...
John IV's user avatar
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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 ...
Victor's user avatar
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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 ...
FMS's user avatar
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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 ...
Nicholas Saunders's user avatar
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161 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?
Umar Bilal's user avatar
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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 ...
ben ftima wajdi's user avatar
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1 answer
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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 ...
bestofthebeast's user avatar
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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 ...
dube's user avatar
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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 ...
Siv's user avatar
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516 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 ...
Nicholas Saunders's user avatar
2 votes
1 answer
846 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 ...
Tarek's user avatar
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590 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 ...
Diagon's user avatar
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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 ...
Flux's user avatar
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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 ...
TheIronKnuckle's user avatar
2 votes
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135 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 ...
Ntakwetet's user avatar
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358 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 ...
Mou某's user avatar
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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 ...
Thufir's user avatar
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105 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
Player1's user avatar
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1 vote
1 answer
109 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 ...
tobiasBora's user avatar
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 ...
Mallam Awal's user avatar
1 vote
1 answer
551 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 ...
pouya's user avatar
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0 answers
129 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 ...
HappyFace's user avatar
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1 vote
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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!
Miriam's user avatar
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0 votes
2 answers
822 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 ...
Trever Thompson's user avatar
4 votes
1 answer
250 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 ...
Johan's user avatar
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2 answers
300 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!...
Eliud A Montoya's user avatar
2 votes
0 answers
355 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 ...
Neeraj Kulkarni's user avatar
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?
user.S's user avatar
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0 votes
1 answer
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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. ...
TripeHound's user avatar
3 votes
3 answers
3k 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 ...
ZK Zhao's user avatar
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1 vote
1 answer
159 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 ...
Thufir's user avatar
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2 votes
1 answer
669 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?
n158's user avatar
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1 vote
0 answers
301 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 ...
radioheads's user avatar
1 vote
2 answers
692 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 ...
user13135's user avatar
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 ...
GJC's user avatar
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