This software allows you to create and edit bookmarks on existing pdf files. With JPdfBookmarks, bookmarks can be reordered by dragging them around with the mouse.
It has a command line and a graphical interface. In the graphical interface you can create different kind of bookmarks, not pointing only at top of page but also at different positions within the page, using fit page width, fit page height or fit whole page options.

Requirements:
* Java

The license of this software is Free, you can free download and free use this pdf software.