快速去除PDF密码设置，不用安装，直接使用-Quick removal of PDF password settings, do not need to install, direct use

用于找回RAR文件密码，可以用字典方法，或者记忆法去除文件密码后，打开文件。-Used to retrieve RAR file, can use dictionary password, or memory method was removed documents password, open files.

pdf密码去除器，可以去掉pdf自带的安全密码，使之能够编辑，打印等。-pdf password remover, you can remove pdf password security built to enable editing, printing and so on.