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 ...

Adding a watermark to a company-related document helps ensure confidentiality or prohibit others from stealing the material. In addition to creating a watermark that consists of text, many programs ...

PDF stands for Portable Document Format, which is secure – but a bit tricky to edit file format available on the internet. You can use PDF to send a CV or make a digital book – everything can be ...