Step-by-step instructions for creating PDFs from any file type, including methods for merging, compressing and password-protecting PDF documents securely.

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, ...

A PDF — which stands for Portable Document Format — is an open standard document file extension created by Adobe. It has gained popularity in recent years because of the ease of use it affords the ...

Reading PDFs on the iPad can be way better than what you get from Apple's Books app. These are the best apps to use for reading at PDF files on your iPad, or even your iPhone. The often-disliked PDF ...

Adobe Acrobat, the native application for creating and editing PDF files, contains many tools that can be used to modify PDFs. One of the things you can do with the program is saving PDF files as JPEG ...

Gimp is normally used to create or manipulate images files, but can also work with PDFs if you understand how it works and what it's limits are. If you’ve never used Gimp—a free image editor available ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including ...

There’s not much LibreOffice can’t do when it comes to managing documents, from working on manuscripts to coding. However, users will note that while there are formats for math, spreadsheets, writing, ...

Swifdoo PDF is a full-featured, low-priced Acrobat alternative that should serve most users well. Swifdoo PDF doesn’t have the name recognition of some of the other editors in our PDF buying guide, ...