Nitro PDF Software is one of the world's leading PDF software vendors, creator of Nitro Reader. Before that, Nitro PDF created Nitro PDF Professional, the first true alternative to Adobe Acrobat. Headquartered in San Francisco, Nitro PDF Software has operations spanning North America, Europe, Asia and Australia. The Nitro PDF Reader, the only free PDF viewer to also offer free PDF creation, provides class-leading functionality and a ground-breaking user experience. Nitro PDF Reader is a fast, fully-featured, free solution with no advertising and no compulsory registration. Nitro PDF Software products have won multiple "Product of the Year" and "Top Buy" awards, are seen in retail stores around the globe and are used by millions of people worldwide including a significant number of Fortune 500 organizations.