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 ...

There's nothing like a watermark on your photos to let others know they're not public domain. If you have Adobe Photoshop or another high-end photo processing program, adding a watermark is simple.