PDF Stamp is an easy-to-use software that allows users to add contents like images, texts, graphics, links, and notes to a PDF document. It's a standalone application that doesn't require Adobe Acrobat software.

PDF Stamp allows you to add watermarks such as "Confidential" or "Draft" to pages that include sensitive information. You can also add PDF document names, revision numbers, date/time stamps, page numbers, contact details, or any text required to be added to the file.
Features of PDF Stamp (PDF Watermark) include:
1. It is easy to use.
2. It does not require Adobe Acrobat software.
3. It supports PDF1.6 protocol.
4. It supports Windows 98, ME, NT, 2000, and XP systems.
5. It supports stamping to the page header and footer.
6. It supports image stamping (JPEG/TIFF/PNG images).
7. It supports text stamping.
8. It supports graphics stamping (Line and Rectangle).
9. It can stamp pages using standard Base 14 fonts and system fonts.
10. It supports multiple line text stamps.
11. It supports transparent watermark and opacity watermark.
12. It has support for Bates Numbers.
13. It has support for new PDF Layer.
14. Password protection for PDF files with 40 or 128 bit encryption.
15. Password protection for opening the document.
16. You can create "owner password" and "user password" protected PDF files.
17. It has an option to prevent printing of the document.
18. It can prevent copying of text/graphics.
In conclusion, if you need to stamp your PDF documents with customized watermarks or add specific text/images, PDF Stamp (PDF Watermark) is a reliable tool to consider. The software is very easy to use and has an extensive set of features.
Version 2.5: N/A
Version 2.3: image stamp,text stamp,web link stamp
Version 2.2: image stamp,text stamp,web link stamp
Version 2.1: image stamp,text stamp,web link stamp
Version 2.0: image stamp,text stamp,web link stamp