PDFs are tricky to edit without the right tools. While some of them are pricey, a few free ones can get the job done, too. Here's what you need to get—and know. Our team tests, rates, and reviews more ...

PDF-XChange Editor is has a boatload of features, for creating, editing, annotating, and securing PDF documents. The fully functional free versions offer plenty for many users, but you’ll have to pay ...