The other day, we looked at ways to extract content from finished PDF files using Adobe Acrobat 9 Pro. But extracting content is not the only reason to revisit a finished PDF. For example, one of the ...

PDFs can be a pain. As they were initially designed to be forms that were printed out and filled in by pen, they can feel somewhat anachronistic in the modern digital age. But, it’s not as hard to ...

Editor’s Note: This article was originally published in Mar. 2014 and the video tutorial for this article published Dec. 2018; while this program might look a little different, the steps shown in this ...

Gimp is normally used to create or manipulate images files, but can also work with PDFs if you understand how it works and what it's limits are. If you’ve never used Gimp—a free image editor available ...