Nitro Support Center
Whether you’re looking for brief FAQs or extensive User Guides, help is just a click away.
Upgrade
Upgrade to the newest major release of Nitro and enjoy the best features and updates we have to offer.
Knowledge Base
Maximize your investment with informative articles about specific Nitro features, products, and more.
Community Forum
Post questions, share feedback, and interact with other Nitro customers and experts.
User Guides
Access an in-depth guide to the features and functionality of Nitro PDF Pro, Nitro Sign, and Nitro Admin.
Activating Nitro PDF Pro
Having activation issues? We can help you solve the problem in just a few clicks.
Your purchase & serial number
Request your purchase records or Nitro PDF Pro license serial number by contacting Cleverbridge, our administrator partner.
FAQs
You have questions? We have solutions. Check out answers to our most frequently asked questions.
Submit a ticket
If you have Nitro VIP Access or Premium Support, you can open a support ticket and contact us directly.