There's little in the way of quality freeware applications which can create a library and provide a reader for e-books. That all changes with calibre, a free and open source library management and conversion utility for e-book collections.

Calibre is a free e-book manager which can be compared to a program like iTunes, but for e-books. It can connect to your reader device and can convert between various different e-book formats.

Along with the ability to convert between popular formats, Calibre can also manage your library and sorts them neatly.

Apr 30, 2021 Download Calibre - Calibre is a free and open source e-book library management application developed by users of e-books for users of e-books. If you wish to revert to an earlier calibre release or download a calibre upgrade manually, download the tarball of that release from here (choose the 32-bit or 64-bit version, as appropriate). Assuming you want calibre in /opt/calibre, run the following command.

Calibre: The one stop solution for all your e-book needs. Comprehensive e-book software. Download Calibre for Windows now from Softonic: 100% safe and virus free. More than 1403 downloads this month. Download Calibre latest version 2021.

Overall, this is an excellent all-round e-book tool which provides many of the functions which are requested by users of different devices.

Previous calibre releases. Choose a series of calibre releases. 5.x 26 releases 4.x 28 releases 3.x 66 releases 2.x 95 releases 1.x 49 releases 0.9.x 45 releases 0.8.x 71 releases 0.7.x 59 releases 0.6.x 38 releases.

Features and highlights

Library Management
E-book conversion
Syncing to e-book reader devices
Downloading news from the web and converting it into e-book form
Comprehensive e-book viewer
Content server for online access to your book collection

Calibre 5.17.0 on 32-bit and 64-bit PCs

This download is licensed as freeware for the Windows (32-bit and 64-bit) operating system on a laptop or desktop PC from pdf software without restrictions. Calibre 5.17.0 is available to all software users as a free download for Windows. As an open source project, you are free to view the source code and distribute this software application freely.

Filed under:

Calibre Download
Freeware PDF Software
Open source and GPL software
Major release: Calibre 5.17
E-book Management Software

My 22 Best Calibre Plugins 2020 (plus 7 insider tips)

In our facebook group, I am regularly asked about the best Calibre plugins for certain purposes, and always these posts are very popular. Usf organic chemistry lab manual.

But finding the Calibre plugins that suits a specific need is complicated. The whole Calibre plugin experience is not very user friendly. They can be hard to find and tricky to install.

In this article we’ve gathered the best Calibre plugins in their respective categories and how to install them. giving you all the information on deciding what plugins are right for you specific needs.

So let’s get started…

Best Calibre Plugins: At a Glance

Here are some of the best plugins that we believe every Calibre users should have.

1. DeDRM Plugin
2. KFX Input plugin [/fusion_one_page_text_link]3. KFX Conversion Output Plugin
4. Kindle Collections
5. Kindle hi-res covers
6. KindleUnpack
7. EpubMerge
8. EpubSplit
9. Find Duplicates
10. Count Pages
11. FanFicFare
12. Reading List
13. Annotations
14. Kobo Touch Extended
15. Kobo Utilities
16. TTS to MP3
17. 6 bonus plugins

Download Calibre Portable

The best Calibre DRM Removal Plugins

If you want to play kindle books on Kobo, Nook, Sony or vice versa. you need an DRM removal plugin to work with Calibre to removing DRM from various ebook vendors.

1. DeDRM Plugin

Latest version: 6.8.0, released on 06/18/2020
Rating: 5 star
Best for: Removing DRM from Kindle, Google Play, Kobo, Adobe ebooks, etc.
Author: Apprentice Alf
Calibre: 5.x

DeDRM developed by Apprentice Alf is the tool we use for removing DRM, It is one of top downloaded Calibre plugins, it can remove DRM from most of the popular ebooks, including:

Kindle eBooks
ebooks comes with Adobe DRM (Kobo ebooks, Google Play books, books you get from online library, Overdrive ebooks).
Older Mobipocket and eReader eBooks.

Note: You can not use this plugin to remove DRM from rented ebooks.

How to use Calibre DRM plugin:

We have an article explaining how to remove DRM with Calibre DRM Plugin and the common FAQ on using the app, so I won’t repeat it here. If you are interested, please read that article to get the full scoop.

Download: Apprentice Alf DeDRM Plugin V6.8.0

Best Calibre Plugins for Kindle

Download Calibre Free

2. KFX Input plugin

Latest version: 1.35.0, released on 23 Oct, 2020
Rating: 5 star
Best for: Input KFX files to Calibre.
Author: jhowell
Calibre: 2.0.0
Downloads: 8648 total downloads

From 2017 to now, Amazon use KFX format for most of their e-books. Calibre can’t not open KFX file directly, even it is DRM free.

The KFX Input plugin will collects all the individual files that make up a KFX book and make it into a zip file with the extension kfx-zip. Then you can easily import the zipped Amazon KFX file to Calibre. If you want to convert the KFX file, you need to use this plugin together with DeDRM plugin to remove the DRM first and convert KFX books to PDF, ePub, Mobi, AZW3, etc. The plugin supports several KFX variants: Monolithic KFX, KFX-ZIP, or KPF.

We recommend ebook users to download and keep this plugin in case you need to convert the KFX files for your special ebook readers.

3. KFX Conversion Output Plugin

Latest version: 1.45.0, released on 23 Oct, 2020
Rating: 5 star
Best for: Output ebooks to KFX format.
Author: jhowell
Calibre: 2.0.0
Downloads: 3409 total downloads

Unlike other ebook format, KFX combines numerous features, including enhanced typesetting engine, fonts, multi-page thumbnails, Page Flip, continuous scrolling, Guided View for comics, etc. for some ebooks, Converting to kfx format can be a day and a night difference.

KFX Output plugin will enable Calibre to convert and output ebooks in KFX format that can be viewed on Kindle apps and devices. You can also use this plugin to turn ebooks which you buy from other sources to be read on Kindle with KFX’s special features.

In my case, it greatly improved my reading experience with my technical books. most of these book have images and description around it, but the layout is some sort of messed up, the descriptions and images didn’t match up, which makes it useless(especially for some math formula images), but after I change the format to kfx, the layout kinda fixed itself.

4. Kindle Collections

Latest version: 1.7.29, released on 1 Oct, 2020
Rating: 5 star
Best for: Managing ebook collections on Kindle.
Author: meme
Calibre: 3.42.0
Downloads: 1772 total downloads

Though, Calibre allows you to mange and organize ebooks with customized tags, categories, and metadata. Unfortunately, there’s no way for you to transfer the Calibre collections you made into your Kindle.

If you owns a large collection of Kindle ebooks and prefer manage it on Calibre, Kindle Collections is the best Calibre plugin for you. It helps you manage and organize Kindle ebooks using Authors, Series, Tags or Categories. you can preview the ebook lists you made and transfer it to Kindle. Also, you can import collections from your Kindle to a custom column in Calibre.

The plugin will work automatically with Kindle DX, 2, 3, and 4 non-touch. but you will need to jailbreak other Kindle device to use it. Beware that After you jailbreak your Kindle, your warranties are void.

Steps on using Kindle Collections plugin