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 ...

Watermark.ws is popular because of its simplicity. The free account holders can add a watermark to only one image at a time and process only the first 30 seconds of any video. Talking about other ...

PDFill PDF Tools is a free useful suite of utilities that will help you to change the layout of your PDF documents. These free tools will allow you to merge and add watermarks to PDF files; reorder, ...