Calibre (64bit)2.21.0

Calibre is a free and open-source e-book management software that allows users to manage their e-books, convert between different e-book formats, and sync e-books with various devices. It was first released in 2006 and has since become one of the most popular e-book management tools available.

One of the most notable features of Calibre is its ability to organize e-books into different categories and add tags, making it easy to search and locate specific books. It also allows users to edit the metadata of their e-books, including the title, author, and cover image, and can even download missing metadata from online sources.

Calibre also provides a powerful e-book conversion tool, allowing users to convert e-books from one format to another, such as from EPUB to MOBI, or from PDF to EPUB. This is particularly useful for those who want to read e-books on different devices that may not support the same file format.

In addition, Calibre supports a wide range of e-book readers, including Amazon Kindle, Barnes & Noble Nook, and Kobo e-readers, and can automatically sync e-books with these devices. It can also connect to online e-book stores, such as Amazon and Google Books, allowing users to browse and purchase e-books directly from within the software.

Calibre is an essential tool for anyone who reads and manages e-books. Its powerful features and easy-to-use interface make it a must-have for anyone looking to organize, convert, and sync their e-book library.

Key Features:

  • Library management system to organize e-book collection
  • Format conversion for compatibility with different devices
  • Built-in editor to modify e-book metadata and table of contents
  • E-book viewer with customization options
  • Integrated web browser for downloading e-books
  • Synchronization options for keeping e-book collection up-to-date across devices
  • Extensible with plugins to add additional features and functionality.


What's New

Version 2.21.0

New Features

  • Allow opening ebook files and covers in external applications by simply right clicking on them in the Book Details panel.
  • Tag Browser: Make rename and delete for items in the Tag Browser restrict themselves to the current Virtual Library (if any). There is also an additional menu entry you can use to rename and delete across all books while in a Virtual Library.
  • Conversion: Use a new (written from scratch) implementation of CSS Level 3 selectors that fixes various bugs in handling of the more advanced/uncommon CSS selectors such as nth-last-child()
  • Edit Book: Allow restoring of disabled confirmation prompts in preferences and add a confirmation when removing saved searches
  • Edit ToC button: Remember the last used ebook formats

Bug Fixes

  • E-book viewer: Fix regression that prevented pasting of text with formatting from the viewer.
  • Table of Contents Editor: Fix selecting a location inside a file and then clicking on another file causes the previous location to be used in the new file.
  • DOCX Input: Fix incorrect bold font weight being used for heading styles even if the style definition does not specify bold.
  • AZW3 Input: Fix a bug that prevented conversion of AZW3 files that contained an empty CSS media block.
  • PDF Output: Fix incorrect rendering of text in elements that use font-variant:small-caps and also have children.
  • Get Books: Update Amazon Europe, Empik and CDP store plugins
  • PDF Output: Fix incorrect conversion of source document that specify dir='rtl' on the root element.
  • PDF Output: Ignore unparseable links instead of aborting the conversion on them.
  • Fix reading metadata from filenames tester not working for dates before 1900.
  • Linux binary install: Fix SSL CA certificates not being detected on Fedora based distributions
  • Books list: Fix column alignment incorrectly propagating when changing libraries
  • FB2 Input: Do not put a border around images
  • Fixes for various incompatibilities with (Py)Qt 5.4.1 which is used by some calibre distro packages on linux
  • Fix error when running calibredb backup_metadata on a library that contains book records with no path information
  • Edit Book: Fix extra search being hidden when removing a saved search
  • Fix a regression in 2.20 that prevented some changes to per-library preferences from being saved
  • Linux installer: Do not register application/octet-stream as one of the mimetypes calibre can handle

User Reviews

Security Levels

To avoid any potential harm to your device and ensure the security of your data and privacy, our team checks every time a new installation file is uploaded to our servers or linked to a remote server and periodically reviews the file to confirm or update its status. Based on this checking, we set the following security levels for any downloadable files.

Clean

It is highly likely that this software program is clean.

We scanned files and URLs associated with this software program in more than 60 of the world's leading antivirus services; no possible threats were found. And there is no third-party softwarebundled.

Warning

This program is advertising supported and may offer to install third-party programs that are not required. These may include a toolbar, changing your homepage, default search engine, or installing other party programs. These could be false positives, and our users are advised to be careful when installing and using this software.

Disabled

This software is no longer available for download. It is highly likely that this software program is malicious or has security issues or other reasons.

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