Majority of articles, dissertations, thesis and other significant written projects are now converted to PDF. The popularity of PDF files has made some paper books lose its value since PDF are accessible online and can save space physically. However, for readers who are very keen in what they read, they tend to compare and examine the exact quoted words or phrases from an article with another article. In paper books, we can easily highlight the essential information solicited in each page. But we can’t do that in PDF. This type of file can’t be easily manipulated by copy-paste and highlight functions.
In addition to that, PDF is intended for pictures, layouts of brochures, magazines and other image presentation. The file quality is better when it comes to pictures and images compared to text documents. It is as if you compiled a series of scanned images in a single file including the texts in it. Actually, PDF content can be searchable both online, through the internet and offline, through your hard disk if you have saved some of these files already.
Now using a certain third-party search engine for PDF, you can possibly recover the information without...