This will return web pages that have links to PDF files, even if the pages themselves are not PDFs[2][3][5]. By using these operators effectively, you can significantly narrow down your search ...

Sometimes a PDF needs encryption. Sometimes it doesn't. Here's how and when you can remove unneeded encryption.

Like the GIF (that's Graphics Interchange Format), the PDF (Portable Document Format) has survived and flourished through the digital age. That's partly because of its versatility: It's the go-to ...

Google said it will use optical character recognition (OCR) software to enable Web surfers to search any PDF files which are developed by Adobe. Evin Levey, Google product manager said that Google ...

In a PDF document, there are essentially two ways to display text. One way is to embed the text, including its font information, in the document file. The other way is to display the text as an ...