Did you know?

First, choose an existing image file and scale percentage or input plain text and select font, size, alignment, spacing, and color. Then, customize the Appearance (opacity and rotation), the Page margin, the Position of the watermark and the Page Range across which you want your watermark to appear. You can also turn your watermark into a template (a .wmkt file extension) and apply it to another document
The tools covered on this list offer interesting PDF editing features, including adding and editing pre-existing PDF text, adding shapes, e-signatures, merging PDF or converting PDF to Office formats, and more. This list includes the 10 best PDF editor software and online PDF editor tools available over the internet. You will get a brief introduction and the pros and cons of each PDF editing software and service
We don’t mean that you have to redo it from scratch. A simple, yet handy trick to reduce the size of a PDF file is to strip out unwanted objects, remove tags, and compress images. You can do that with any program that has a “print to PDF” option, or with the free online software