The point of this script is to invert all the colors of curves objects images and background of a given pdf while preserving the text, the curves' data, etc. There are several tools for pdf conversion ...

I can view a PDF with inverted colors (white on black instead of black on white) in various PDF viewers, but I cannot figure out how to annotate a PDF with inverted colors in Xournal++. Is this ...

If a client emailed you a PDF with a combination of pages in portrait and landscape mode, some pages may display at a 90-degree angle. Adobe Reader lets you rotate the view so you can easily read this ...

The PDF format is one of the most preferred for sharing documents and forms. If you need to edit a PDF on your Mac computer, you have a few options. The best way to rotate a PDF on your Mac computer ...