Software : Calibre : Calibre


(as of 4/15/2014)
LicenseOpen Source

Software Overview

Main Features

  • Supports an extensive list of e-book formats for reading, creating, and converting
  • Offers a convenient way to download e-books from Internet stores
  • Downloads news stories and converts them into e-book form
  • Provides helpful library management tools

Calibre is a free, open source e-book application that allows you to manage your collection of e-books on your computer. In the application, you can read, create, and edit your e-books in a variety of formats.

Calibre offers helpful management tools to organize your e-book library. You can sort your books by title, author, date published, rating, etc., which allows you to search through your collection quicker. The application provides editing tools to help you customize the appearance of your e-books. With these tools, you can change the font, style, images, etc. of your e-book. Calibre also provides a convenient avenue to download new e-books. The program allows you to search for your e-book by title, author, or keyword and check/uncheck the stores you want to search. You can also download news in e-book format from your news websites such as The New York Times, Time, Newsweek, ESPN, and Deadspin.

Along with the management features, Calibre supports a wide array of popular e-book file formats. It can read e-book formats such as EPUB, LRF, HTML, LIT, MOBI, PDF, Topaz, Text, and SNB. It also allows you to create and convert e-book formats including EPUB, MOBI, AZW3, FB2, HTMLZ, LIT, LRF, PDB, PDF, TXT, and ZIP. In addition to supporting e-book formats, Calibre can also read popular word processing files with .DOCX, .DOC, and .ODT extensions.

Calibre is a good e-book managing application. It supports a wide array of e-book formats, provides helpful library management tools, and makes it easy to download new content. If you own any e-books or looking to start, give Calibre a shot.

▶ Primary file extension

.EPUB – Open eBook File

▶ Other file extensions used by Calibre 1

Supported File Types
.AZW3Amazon KF8 eBook File
.AZW4Amazon Print Replica eBook
.BOOKiBooks Author Document
.CBCComic Book Collection
.CBRComic Book RAR Archive
.CBZComic Book Zip Archive
.CHMCompiled HTML Help File
.DJVDjVu Image
.DJVUDjVu Image
.DOCMicrosoft Word Document
.DOCXMicrosoft Word Open XML Document
.FB2FictionBook 2.0 File
.HTMHypertext Markup Language File
.HTMLHypertext Markup Language File
.HTMLZZipped HTML eBook
.IBAiBooks Author Document
.LITeBook File
.LRFSony Portable Reader File
.LRSLibrie Reader Source File
.LRXSony Portable Reader File
.MARKDOWNMarkdown Documentation File
.MOBIMobipocket eBook
.NCXEPUB Navigation Control XML File
.ODTOpenDocument Text Document
.OPFOpen Packaging Format File
.PDBPalm Desktop Database File
.PDFPortable Document Format File
.PDRProntoDoc for Word Recovered Document
.PMLPalm Markup Language File
.POBIKindle Touch Periodical File
.PRCMobipocket eBook File
.RARWinRAR Compressed Archive
.RTFRich Text Format File
.SNBShanda Bambook eBook
.TCRPsion Series 3 eBook File
.TEXTPlain Text File
.TPZKindle Topaz eBook File
.TXTPlain Text File
.XHTMLExtensible Hypertext Markup Language File
.XPSXML Paper Specification File
.ZIPZipped File
Additional Related File Formats
.AZWAmazon Kindle eBook File
.AZW1Amazon Topaz eBook
.AZW2Kindle Active Content App File
.AZW3Amazon KF8 eBook File
.CALIBRECalibre Device Data File
.PMLZZipped Palm Markup Language File

Updated: April 15, 2014