Portable document format (PDF) files remain a popular choice for business documents ranging from contracts and forms to manuals and reports, so there's a good chance you need to open them often.

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 ...

People who use a Chromebook are likely familiar with at least a couple of common ways to work with the Portable Document Format (PDF) created by Adobe in 1993 that preserves a document’s layout and ...