Splitting a large PDF into smaller ones makes it much easier to send your business plans or other large documents through email, especially if you're using a free, Web-based email account. Another ...

Sometimes the size of a PDF file is not ideal. Single-page PDFs may be too large or too small for your needs, while a multipage document may have some pages scaled in letter size, others in legal size ...

The best free PDF reader apps do more than just act as a PDF viewer - any modern browser can do that. What I'm looking for is tools that go beyond that, offering commenting, collaboration, and ...