PDF Stamper ActiveX Component can stamp PDF files with watermark and text easily. It is a standalone component and does not depend on Adobe Acrobat, or even Acrobat Reader.
PDF Stamper can be used to stamp PDF files, you can stamp PDF files with images such as JPEG, transparent PNG, TIFF and GIFs. And you can stamp text on your PDF files with customized size, location, font and color.
PDF Stamper can dump the PDF meta data information such as Author, Title etc. It also allows you to update such metadata information
PDF Stamper can be easily integrated into applications written in languages that support ActiveX Component such as Visual C++, Visual Basic, Delphi, C++ Builder, .Net languages, Java, Scripts like Perl, Php, Python.
Stamp PDF files with images
Support JPG, TIFF, transparent GIF and PNG
Stamp text on PDF
Support customization of Stamp position, font size and color
Support TrueType fonts
Standalone, doesn't depend on Adobe Acrobat or Reader
Provide demos in ASP, ColdFusion, VB, VB Script, Delphi, VB.Net, C#, ASP.Net
Add batch text stamps support
Support fill PDF form fields
Support flatten PDF
This software is a shareware. You will be able to download and test PDF Stamper during a certain period of time, then, if it does what you need, you will have to acquire the full version from PDF Stamper publisher. The PDF Stamper 2.0.2008.618 free trial version contains an installer and an uninstaller, and has a size of 2734 Kilobytes.
For additional information and support request, please contact directly PDF Stamper publisher.

PDF Stamper Screenshot