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 ...

If you ever find yourself with the need to combine several PDFs into one single file, you may be immediately frustrated: It's not immediately obvious how to achieve what you're trying to do. Luckily, ...

People who use a Chromebook are likely familiar with at least a couple of common ways to work with the Portable Document Format (PDF) created by Adobe in 1993 that preserves a document’s layout and ...