The Darklight Web Browser Extension for Waterloo Learn is a web browser extension designed for the University of Waterloo's Learn Darklight.

Learn Darklight is an online learning management system (LMS) used by the university to support and help users of Waterloo Learn to plan and organize their study. 

The extension has been designed to work with Waterloo Learn, and can be used on both systems. It also supports other functionalities such as the ability to customize the page of a course entry on the homepage and to configure an individual course as a shortcut in the toolbar. It also includes a feature that allows users to add different themes to each course to help make it more distinct.