You can also use drag-and-drop by dragging files from Windows Explorer in to the Nitro PDF user interface to create PDF documents. More precisely, it uses Windows' printing spooler to output to a PDF file. In terms of functionality, the program includes different tools for viewing, printing and creating PDF documents. Once you get the main program launched, you are greeting with a layout which isn't dissimilar from modern Microsoft Office programs as it integrates the 'ribbon' interface Microsoft introduced.

If you do install its plugin, it will become your default online PDF reader. Since this step is option, you can safely decline. When you first run the installer for this application, it will offer to take over PDF viewing and thus installing a plugin for your web browser.

Nitro PDF is a freeware PDF reader which also integrates many different PDF editing and creation tools. Free PDF reader and creation utility that can open PDF files, drag-and-drop, add annotations and convert from Doc, HTML and JPG.

Nitro reader free