Nitro Software Limited provides software and software support services for document productivity through the portable document format (PDF) in Australia and internationally. Its productivity suite includes Nitro Pro that helps in creating, editing, converting, merging, annotating, protecting, and signing PDFs; Nitro Cloud, which offers PDF tools and eSigning; and Nitro Analytics, a solution that gives the corporate insights into user's document workflows and productivity. Nitro Software Limited was founded in 2005 and is headquartered in San Francisco, California.