If you want to extract highlighted text from PDF file as a plain text file, then this post covers some good free PDF Highlight Extractor software to do that.

If you are unable to select or highlight specific text in a PDF document in Adobe Acrobat Reader on Windows, this post will help you fix it.

We show you how to change the text highlight color and the field highlight color in Adobe Acrobat Reader to distinguish between different types of information.

How to Replace Text in PDF Files. 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 ...

There are few things worse than trying to copy a string of text from a PDF, only to find that you can't highlight any text at all. Thankfully, bypassing a locked PDF is easy enough to do on Mac.

Removing text from a PDF isn't as easy as drawing a black bar across it. Fortunately, redaction tools let you truly erase sensitive text in Preview, Adobe Acrobat DC Pro, and PDFPen.

Apple makes adding comments, highlighting text, and adding a signature easy in macOS. Here's how to annotate a variety of files, from JPGs to PDFs, using macOS' integrated Preview.