PDF has become a favored means of sharing documents, from business contracts to medical records. However, these digital files often contain confidential information that should remain hidden from ...

PDF Replacer free version can replace text in a PDF file, keeping the original PDF layout. If you have a PDF file that is of less than 100 pages, you can use this tool without paying anything. Since ...

Widely used PDF files capture text and images nearly exactly as they display in the application that created them. The format is designed to store text and both bitmapped and vector images, with the ...

Welcome to part two in a series about steganography, the art of hiding things in plain sight. We are practicing steganography because it can be a useful skill if you don't have access to encryption ...