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 ...

Working with a PDF file often means editing or modifying it to achieve your objective. However, as easy as it is to view a PDF file, the same can’t be said about performing other operations, as many ...

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 ...