


For example, columns of text will probably turn into a collection of discrete lines. The biggest problem is that most of these tools deal with the PDF as an image or, at least, a collection of objects. If all you want to do is remove something with a white box or make an annotation, these tools are usually great, but for more complicated changes, or pixel-perfect output, they may not be the right tool. Anything will work for this: LibreOffice Draw, Inkscape, or even GIMP.

You can use lots of tools to edit PDF files, but the trick is how good the results will look. But what about editing them? Turns out, that’s easy, too, if you know how. Sure, there are other competing formats but they hold a sliver of market share compared to PDF. Hardly a day goes by that you don’t see some kind of PDF document come across your computer screen. But PostScript also spawned the Portable Document Format or PDF and that has been crazy successful. While PostScript printers are still a thing, there are many other ways to send data to a printer. PostScript started out as a programming language for printers.
