Nitro Software, Inc. develops commercial software used to create, edit, sign, and secure Portable Document Format (PDF) files and digital documents. The Nitro ecosystem consists of Nitro Pro, Nitro Cloud, Nitro Reader, and a suite of document conversion sites.
Nitro’s product family is intended for the professional market and although its desktop products are Windows-only, Nitro Cloud is compatible with any web browser on any machine. Nitro Pro is proprietary trialware, while Nitro Reader is freeware for both personal and professional use.

Nitro Pro (previously Nitro PDF Professional) is a desktop product , subject to license , that offers full PDF creation and editing capabilities.
Some of the key features include:
•    Disables Adobe products once installed.
•    Lets you edit text, graphics, and the page arrangement.
•    Lets you modify text and graphics properties.
•    Converts PDF files to Microsoft Word, Microsoft PowerPoint, Microsoft Excel, JPEG (at a select DPI), PNG, TIFF or text files.
•    Viewing, creating and printing PDF files
•    Reviewing, commenting and adding markups to PDF documents
•    Creating and filling PDF forms
•    Converting paper-based files to searchable and editable PDF documents with OCR
•    QuickSign allows the user to scan a copy of their signature to stamp into any PDF documents
•    Nitro Cloud integration gives the user the ability to start collaboration, signing, and sharing workflows directly in the cloud.