Extensions are small add-ons that add new functionality to Pale Moon, from a simple toolbar button to a completely new feature. They allow you to customize the browser to fit your own needs and preferences, while letting us keep the core itself light and lean.
Show the IP address of the currently loaded web page on demand in an alert prompt.
The Pale Moon (codename Tycho) Web Developer Tools
A tool that can be used to inspect and edit the live DOM of any web document or XUL application
Shift-right-click any element to open it in DOM Inspector.
Extended Error Console for Pale Moon 27
View the source code of external JS and CSS files
Screengrab (fix version)
Screengrab! saves webpages as images.