With PrimoOnline, you can convert to PDF even when you're using a computer other than your own without installing a single piece of software!

Completely web-based, PrimoOnline can be accessed from any platform, including Windows, Mac, or Linux, through a standard web browser. Simply go to the PrimoOnline website, enter your email address, upload your file, and click Create PDF – the PDF will be delivered almost instantly. This is perfect for times when you may be away from your PC, but still require the same functionality available in PrimoPDF. Give PrimoOnline a try at http://online.primopdf.com.

As part of its robust suite of PDF editing tools, Nitro PDF Professional offers a variety of easy-to-use markup options. With just a few mouse-clicks, you can insert PDF comments and pop-up notes, add preset shapes (lines, arrows, circles, squares, etc.), or create freehand pencil mark-ups anywhere on your PDF pages.

Additionally, Nitro PDF Professional allows you to fully customize the appearance of your comments, so you can ensure visibility on every page, add emphasis to your drawings, color-code markups (for example, by author, subject, or category), and more.