From Adobe Acrobat to free online editors and built-in tools, here’s how to merge multiple PDFs into one document.

Expert DIYer April Wilkerson builds a rotating workbench that provides multiple functions and saves valuable space.

Studying for exams often feels like trying to drink from a firehose — dense PDFs, sprawling lecture slides, and research papers piled high. What if you could turn any document into a focused set of ...