Image may be NSFW.
Clik here to view.
GroupDocs.Merger for JavaClik here to view.

Adds the ability to import documents into Presentation, Word processing and Spreadsheet documents.
Features
- Added the ability to import documents into Presentation documents.
- Added the ability to import documents into Word processing documents.
- Added the ability to import documents into Spreadsheet documents.
- Added the ability to import documents into PDF documents.
- Added cross-format merging to PDFs.