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 ...

To use SumatraPDF, visit the official homepage and click 'Download' at the top of the screen. Click the installer that matches your environment. This time, select the 64-bit version ...

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 ...

PDF reader apps have always been a pain in the neck. Generally speaking, there are two primary use cases for PDF files. The first is for business, where you can create PDF forms and have people fill ...

A free PDF viewer that can easily add comments / text / images as PDF files to annotate "PDF-XChange Viewer"is. The operation is fast, the tab function is installed, OCR analysis is also possible, 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 ...