There are several applications that enable you to replace text in PDF files. Adobe PDF files can be created and read on various computer media, such as mobile devices, PCs and Macs, as well as ...

There are two simple ways to remove the password from a PDF file, one of which works no matter what software you have.

If you cannot select or highlight text in a PDF in Adobe Acrobat Reader on a Windows PC, then this post will be able to help you resolve the issue. If you can’t select text in a PDF, it might be the ...

In a lot of papers I download, there's an image overlaying the (OCR'ed, I guess?) text of a paper. Preview is notoriously slow in rendering this, and the quality of the image is also lacking. I'd like ...