PDF is an incredibly popular file format used widely for sharing documents. One of its biggest advantages is the ability to use everything, including fonts, vector graphics, and images, displaying the ...

If you work with PDFs in, you will at some point want to know how to add or remove a watermark in Acrobat. A watermark is an image or text added in front or behind the contents of a document.

Are you trying to open a password-protected PDF or ZIP file? Then, you already know how frustrating it can be. You try out different tools, and the result is a ...