The PDF (portable document format) standard was created in the 1990s by Adobe cofounder John Warnock to make it possible for people to share reliably formatted documents across a wide range of ...

The free ONLYOFFICE productivity suite has been updated with a host of new features, including an improved PDF Editor.

On Windows and Mac machines, it’s not too troublesome to add text or drawings (such as signatures) to PDF files, but [Mansour Behabadi] found that on Linux machines, there didn’t seem to be a ...