The best free PDF reader apps do more than just act as a PDF viewer - any modern browser can do that. What I'm looking for is tools that go beyond that, offering commenting, collaboration, and ...

Being able to combine PDF files is helpful in an office environment where various documents are collected, scanned and then collated into one document for clients or data history purposes. Merge PDF ...

Photo: Charlie Sorrel/Cult of Mac A month or so back I was searching for a PDF app that would use the native Files browser on the iPad, but add features not available in Files app’s built-in PDF ...

Nuance PDF Reader is a capable, lighter-weight Adobe Reader substitute, but you can do better with other options like Foxit Reader. Why would you install a different utility app to view Adobe PDF ...

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 ...

If you are unable to edit PDF files on Acrobat Reader DC, the following methods can help you fix it. This is an error caused by confusion between two kinds of ...

Less than intuitive are the controls for determining how PDFs accessed through Safari and other Web browsers are displayed. Options are generally hidden within specific applications rather than ...

Read PDF Files Safely: Here is How Cyber-attackers frequently trick users into opening PDF files containing malicious code. Once opened, the code triggers security flaws in Adobe Reader and Acrobat ...