8 min read

PDF Annotations: What They Are and How to Use Them Better

Highlights, comments, underlines, and drawings can all live inside a PDF—but they do not all behave the same way. Here is how to create annotations you can still find and use later.

9 min read

PDF Markup Software: How to Choose the Right Tool

The right PDF markup program is not simply the one with the longest toolbar. Choose around what happens to your notes after you finish reading.

7 min read

How to Highlight a PDF and Keep Your Notes Useful

Highlighting a PDF takes seconds. Making those highlights searchable, portable, and useful when you start writing requires a little more care.