Tab Size on GitHub is a free Chrome add-on developed by Adrien Antoine. It falls under the category of Browsers with a subcategory of Add-ons & Tools. This program aims to make tab indented code more readable on GitHub by forcing the tab size to 2 instead of the default 8.

With Tab Size on GitHub, developers can enhance the readability of their code on GitHub by reducing the tab size. By default, GitHub uses a tab size of 8, which can sometimes make the code harder to read, especially when dealing with nested structures. This add-on allows users to change the tab size to 2, making the code more compact and easier to follow.

By making the code more readable, Tab Size on GitHub helps developers collaborate more effectively on GitHub projects. It ensures consistency in code formatting and improves the overall code review process. This add-on is a valuable tool for developers who want to enhance the readability of their code on GitHub.

Please note that Tab Size on GitHub is specifically designed for the Chrome browser and may not be compatible with other browsers.