PDF files are widely used by businesses because of their broad compatibility, but another crucial component of PDF files are their security measures. If you're relying on PDF files for important ...

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 image, ...

There are times when a PDF truly needs encryption—for instance, if it contains sensitive information and someone just emailed it to you (let’s hope they used another communications method to send you ...