PDFs have become quite a staple in our digital lives, and it's likely that you use them more often than you realize. Perhaps you're a student doing research for multiple school projects, or possibly ...

Ed. note: If you do extensive reading on a computer screen you know how quickly stark black-on-white text can strain your eyes. One Lifehacker reader, tired of straining his eyes, changed the default ...

Many workplaces and educational institutions have completely switched from paper documents to digital ones. Consequently, Mac users are increasingly dealing with PDFs and other e-document file formats ...

PDFs can be a pain. As they were initially designed to be forms that were printed out and filled in by pen, they can feel somewhat anachronistic in the modern digital age. But, it’s not as hard to ...