how to add a watermark to a pdf document

do you know of a specific application which will handle this, and accept user's typed input for what the watermark will be ?

TIA

I have found no app yet, which will handle a simple watermark where the user types what the (watermark) text should say, and apply this across all pages of a multi page PDF document.

iWatermark wont handle this task, unfortunatley, as it does only native image formats such as PNG, JPG, TIFF.

Im hoping for an actual recommendation from somebody who has actually used such an app, thank you for your time

hey thanks for the tip, will check that out now....

Cheers

thank you for your effort !!

- Unfortunately, this particular app is designed to go "choose a stamp file". Not what I was hoping for, as that would require the additional step of actually going and creating a stamp file.

In my case, I was hoping to find a solution for my many scripts, each will get a diff stamp. I dont have time to go "make a script file", but simply, to be able to put a large diagonal across the page, with the authors name, appearing under the script not over, so to speak.

Therefore, the app must provide a way to read the authors name by typing it into a field in a GUI, and applying that string to the "stamp" or "watermark".

iwatermark does watermarks beautifully and is only $20. Alas, it cant handle PDF files. What a bummer.

for what its worth, Im posting the results of my findings:

PDF Text Stamp
http://www.traction-software.co.uk/servertools/pdftextstamp/
Unix executable, NO GUI !!
FREE

Watermarks 1.003
http://www.apple.com/downloads/macosx/productivity_tools/watermarks.html
no text field to input stamp string
FREE

iWatermark
http://www.plumamazing.com/mac/iwatermark
text field to input stamp string is ok
but - wont handle PDF files
$20

Adobe Acrobat Pro
text field to input stamp string is ok
will handle PDF format
lots of ways to control final look of watermark / stamp
$247

yeah, good luck with that tool !
Plus, I never found a way to prompt the user for the text string I want to use to stamp with.
just buying a used copy of Adobe Acrobat 7 solved the problem, works great