^ 'Nitro PDF Professional 5.5.1 Release Notes' (PDF).

Archived from the original (PDF) on 14 December 2013.

^ 'Nitro PDF Professional 6.2.1 Release Notes' (PDF).

Archived from the original (PDF) on 26 November 2013. Archived from the original (PDF) on 29 March 2016. Archived from the original on 30 December 2017. 'Nitro Software hacked with customer data offered for sale on the dark web'. 'Massive Nitro data breach impacts Microsoft, Google, Apple, more'.

^ Abrams, Lawrence (October 26, 2020).

^ 'Nitro Pro 12 review: A better document workflow'.

^ 'Nitro Pro Release Notes | Details on New Features, Bug Fixes'.

Nitro Productivity Suite (Nitro Pro 12 + Nitro Cloud) Nitro Pro is proprietary trialware, while Nitro Reader is freeware for both personal and professional use. Nitro Cloud is compatible with any web browser on any machine. Nitro's desktop products are Windows-only. The company sunset their PDF reader, Nitro Reader, in 2017, though users can get the same functionality with an expired free trial of Nitro Pro. Nitro also manages several free document conversion sites.

Subscription services include cloud-based user management, deployment and analytics tools.

Products include a PDF editor, a browser-based application for electronic signatures and PDF productivity tools. The company acknowledged the incident and said it was investigating it. In October 2020, Nitro suffered a data breach user and document databases (including from customers such as Fortune 500 companies) were stolen and offered for sale on the dark web. In 2018 it launch the Nitro Productivity and eSigning Suit. In 2015, the company reported 1 million licenses sold. Nitro Software was founded in Melbourne, Australia by a team of three, as an alternative PDF software to Adobe Acrobat.

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