图书管理转换工具（Calibre Portable）是一款非常全能的图书管理器，首先它能支持绝大多数的主流电子书格式，你完全不用担心你下的电子书无法打开；其次它也可以把电子书的格式进行转换，从而更有效的提高阅读感受。
Calibre Portable功能特点： 1、图书馆管理；
2、电子书转换；
3、同步的电子书
阅读器设备；
4、从网上下载的消息，并将它转换为电子书的形式；
【版本更新】: 版本：v1.3.5 日期：2014-5-3
1.Edit Book: Redesign the syntax highlighter to improve performance for large documents and extended editing sessions
2.Edit book: Make cursor movement smooth by not highlighting matching tags while the cursor is moving. Only match highlighting tags if the cursor stays still for a time.
3.Spellcheck dialog: Indicate whether a word is ignored in the Misspelled column
4.Spellcheck dialog: Pressing Ctrl+C on the words list copies only selected words, regardless of current cell
5.Add a copy to clipboard action to the context menu for the spell check dialog
6.Edit book: Fix save button incorrectly disabled after a failed save
7.Bug Fixes
版本：v1.27.0 日期：2014-03-08
1.An option to add multiple books from inside a ZIP or RAR file. Right click the Add Books button and choose Add multiple books from archive.
2.Database backend: Make the database backend more robust when the calibre library is placed on flaky filesystems. Now when an I/O error occurs while writing to the database, the connection to the database is closed and re-opened and the operation is retried.
Closes tickets: 1286522
3.DJVU Input: Speedup extraction of text from DJVU files by implementing the BZZ decoder algorithm in C
4.Bug Fixes
版本：v1.13.0 日期：2013.11.30
1、支持文件编辑功能。
