PDF files, otherwise known as Portable Document Format files, are popularly used nowadays. With industries piquing everywhere, you would find all sorts of PDF files for brochures, forms, magazines, reports, and other materials that contain designs that would be too complicated when other kinds of files are used. Because of these PDF files, online reading has also become interactive on its own. This is a huge benefit we all can enjoy with PDF files.
Aside from materials usually used for media, even academic materials today are being converted into PDF format! The typical thesis, dissertation, and even the usual article are not in PDF format. Even books are in PDF format already, in the form of e-books! Now, this is actually kind of sad for the regular paper book because it has inevitably lost a large portion of its market. But since e-books indeed present more convenience for any reader, then more and more people are getting into the trend as well.
However, there are actually times when we would want to find an exact word or phrase in the material we read. This is something that you can easily do on a paperback book or physical article. All you have to do is...