Lesson 21 is a free Chrome extension developed by Hashif Habeeb. It falls under the category of Browsers and is specifically listed as an Add-ons & Tools subcategory. This extension aims to improve the usability and accessibility of live classes conducted on the Lesson21 platform.

With Lesson 21, users can expect an enhanced learning experience during live classes. The extension provides a range of features that make it easier for students to navigate and interact with the Lesson21 platform. Whether it's participating in discussions, accessing course materials, or engaging with the instructor, Lesson 21 streamlines the process.

One notable feature of Lesson 21 is its intuitive interface. It simplifies the layout of the Lesson21 platform, making it easier for users to find and access the features they need. Additionally, the extension offers customizable settings, allowing users to personalize their learning environment according to their preferences.

Overall, Lesson 21 is a valuable extension for students using the Lesson21 platform. It enhances usability and accessibility, making live classes more engaging and efficient. With its user-friendly interface and customizable settings, Lesson 21 is a must-have for anyone seeking an improved learning experience.