This well-designed and easy-to-use free PDF viewer lets you mark up and create PDFs. Adobe’s popular PDF format makes files look great and Adobe’s free Reader lets everyone look at the files for free.

Google has released ' Google Scholar PDF Reader,' a Chrome extension that makes it easier to read PDF files of scientific papers. I thought it would be very useful for reading the content of the paper ...

Another day, another critical security exploit discovered for Adobe Reader. Ho-hum. The PDF software’s near-ubiquitous presence has made it a big, fat, juicy target for years now, and by this point, ...

It’s been more than 25 years that PDF files have been around, and they’re not going anywhere anytime soon. As PDFs are the most popular format for presentations and document sharing, they are heavily ...