Github Comment Helper is a Chrome extension designed to improve the commenting experience on GitHub. It provides features such as automatic media conversion for images and videos, converting Markdown links to HTML tags, and customizable table formatting options. Users can easily manage media dimensions and alignments, enhancing the visual presentation of their comments.

The extension allows for quick integration with GitHub through context menu options, enabling users to convert selected text into HTML or Markdown tables with just a right-click. With the latest version, users benefit from additional height settings for media and improved functionality for overwriting existing dimensions. Overall, Github Comment Helper is a powerful tool for anyone looking to streamline their commenting process.