We have covered 2 free online tools and 4 free software to add watermark to PDF in Windows 11/10. These are: Sejda is a free online tool to add a watermark to PDF files. Its free version lets you ...

A watermark is a semi-transparent image that usually contains a logo or seal to identify who created a document or image. If you want to watermark a PDF file, you can either insert the watermark into ...

A colleague asked an interesting question on an e-mail list I belong to. He wanted to know how to print a subscriber’s e-mail address and a time stamp in light grey on each page of a PDF file they ...