Nimbus Screen Capture is a feature-rich screenshot tool tailored for Firefox, allowing users to effortlessly capture entire web pages or selected sections. It supports scrolling capture for long pages and offers basic drawing tools on a blank canvas. The premium version adds watermarking capabilities, enhancing the tool's functionality for professional use. Capturing screenshots can be done quickly via a toolbar icon, context menu, or customizable hotkeys, making it highly accessible for users.

The editing features are extensive, enabling users to resize, crop, and annotate their screenshots with various tools such as text boxes, arrows, and stickers. It also includes a blur function for obscuring sensitive information, and supports saving images in formats like JPG and PNG. Users can upload their screenshots to Nimbus Note, Google Drive, and more, with premium users benefiting from additional sharing options and advanced editing tools.