New Hackbar is a Firefox extension designed for penetration testers to conduct manual web security assessments directly within their browser. Built as a web extension, it serves as an updated alternative to the original XUL version of Hackbar, ensuring compatibility with Firefox versions 57 and above. This tool retains most of the core functionalities and user interface found in the original while adapting to the new guidelines set by Firefox.

Among its features, New Hackbar offers essential shortcuts for quick access, including toggling the sidebar with F9 and loading URLs with Alt + A. Although some string functions from the original are not yet available due to size limitations in the menu bar, the developer is actively working to include them. New Hackbar is a valuable resource for web developers and security professionals looking to enhance their testing capabilities.