Calibre freeware


Version: 4.9 | Size: 116.00 MB
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Calibre is the open source type eBook software and the application is used for the managing the eBook collection in the platforms. This application also suites the user to create, edit, and for reading the e-books. The software is free for download and it supports many varieties of formats and it also includes the EPUB formats and the Amazon Kindle. The software is also efficient for syncing the best type of e-book and also for the non-e-book formats. The softer is also efficient for supporting many different files and for the reading any devices.

Some eBook formats can also be edited like the fonts and the font sizes and this can be done using the Calibre software. This also can be used for auto-generating the contents in the table so that it can be useful for creating the new formats for the file using this software. Most of the people use this software for converting and for editing the e-book so that it can make the digital books reading in the effective manner. For purchasing the e-books, it is necessary to have the Digital Rights Management (DRM) and the software may also permit the DRM removal while you install the software in your devices.

Plug-ins can be made for increasing the functionality of the software so that all the extra features can be known using the software and it will be efficient for reading and editing the eBook. Calibre software also helps the user for sorting and grouping all the metadata fields in the e-books. The Metadata is also be efficient in getting the different sources like the online booksellers, free e-books and many more can also be made using the software. The Calibre software is also most efficient in reading the social networking websites, Internet Archive and many more eBook files.

The Calibre library is also efficient in searching for the preferred author, title, keyword and many more in the ebook so that it will be efficient for reading them instantly using the process. It is also very easy for saving the calibre library in the platforms so that it will be useful for syncing the e-book for reading in the device. The Online content sources are also used for harvesting the e-books and for converting them into any formats. This type of conversion can also be made in the specific language and they can also be transferred from one device to another via USB.

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User Rating: 4.2 (133 votes)

Open Source

File size:
116.00 MB

Last update:

Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64

Last version:
Last versions of Calibre
Version Change log
Calibre 4.9 Jan 23, 2020 New features:
Viewer: Much improved search functionality; Now all matches are displayed when searching in a side bar with a few words of context. Also supports searching using regular expressions.
Edit book: The Check book function has a new, improved CSS checker with support for CSS 3
Edit book: Add an "Open with" action to the context menu of the files browser to easily open files with external programs.
Viewer toolbar: Add button to easily change color schemes
Bug fixes:
Comments editor: Fix inserted blank paragraph being rendered as two lines.
PDF Output: Fix conversion of files containing <canvas> elements failing.
Viewer: Fix failure to open some books that contain unparseable URLs.
Viewer: Fix data displayed in side margins getting moved out of position when mouse hovers over side margin.
Book details panel: When right clicking to save the cover, replace invalid characters in the suggested filename
Fix harmless error popup when adding SSL key/certificate in server settings
Calibre 4.8 Jan 3, 2020 New features:
Viewer in flow mode: Add auto-scrolling which can be triggered from the viewer controls and also make smooth scrolling by pressing down the arrow keys configurable
Viewer: Allow showing data in left and right margins in addition to headers/footers.
Closes tickets: 1855121
Viewer: Allow right clicking in the lookup panel to zoom in/out.
Closes tickets: 1857989
Viewer: Allow setting colors for the margins when creating new color schemes in Preferences->Colors
Viewer: Ctrl+, to show preferences
Bug fixes
PDF Output: Fix extracting text from generated PDFs not working if more than 100 characters per font are used in the text.
Closes tickets: 1857886
macOS: Fix viewer controls not using system UI font
Viewer: Fix images not being rendered at certain sizes when they are the only content on the page in paged mode with single page per screen.
Closes tickets: 1857803
Viewer: Fix svg links not working.
Closes tickets: 1857812
Calibre 4.7 Dec 27, 2019 New features:
Viewer toolbar: Add actions for next and previous section. They are not added to the toolbar by default, customize it to add them.
Viewer: Add an option to keep the toolbar visible in full screen mode (Viewer Preferences->Miscellaneous)
Viewer: Allow modifying the current selection using Ctrl+Shift+Arrow.
Book details: Add an option in Preferences->Look & feel->Book details to show a heading for the comments in the book details panel
Edit book: Spell check: Ignore soft hyphens in words
Viewer: In multiple pages per screen mode, When paging back to a chapter we have just paged forward from return to the exact position we left from in terms of number of blank trailing pages displayed.
Viewer: Add a setting under Preferences->Colors to control when the viewer will override all book colors or not.
Bug fixes:
Viewer: Fix flick scrolling in flow mode jumping to next chapter.
Windows: Possible fix for some windows appearing off screen on multi-monitor setups
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