<p>PDF Chain 是一个具有图形化用户界面的PDF工具包，提供一种简单的方法来处理 PDF文件，可完成PDF文档的合并、切分、增加背景和附件等操作。它具有以下特性：</p>    <ul>     <li>Merge some (max. 26) PDF files to one</li>     <ul>      <li>Select several or contiguous pages</li>      <li>Select even, odd or all pages</li>      <li>Rotate selected pages in 0°, 90°, 180° or 270° grades</li>      <li>Setting input passwords</li>     </ul>     <li>Split one PDF file in its pages</li>     <li>Add a background or a stamp to one PDF file</li>     <li>Add some attachments to one PDF file</li>     <li>Setting permissions for output PDF file</li>     <ul>      <li>Setting rights</li>      <li>Setting user and/or owner passord</li>      <li>Setting encryption</li>     </ul>     <li>Tools</li>     <ul>      <li>Extract Attachments</li>      <li>Uncompress / Compress</li>      <li>Dump Data Fields</li>      <li>Dump Data</li>      <li>Update Info</li>      <li>Generate FDF</li>      <li>Fill Form</li>      <li>Flatten</li>      <li>Drop XFA</li>     </ul>    </ul>    <p></p>    <p><img alt="PDF管理工具 PDF Chain" src="https://simg.open-open.com/show/d7aa86696633c4428b3ee8df6d71f7b2.png" width="652" height="526" /><br /> <br /> </p>    <p><strong>项目主页：</strong><a href="http://www.open-open.com/lib/view/home/1326873251108" target="_blank">http://www.open-open.com/lib/view/home/1326873251108</a></p>