Comfortable Atcoder is a free Chrome add-on developed by drafear that aims to enhance your Atcoder experience. With a range of useful features, this add-on is designed to make your coding journey on Atcoder smoother and more convenient.

One of the standout features of Comfortable Atcoder is its ability to notify you of the judge result of the codes you submit. This allows you to stay updated on the status of your submissions without constantly refreshing the page. Additionally, it can notify you of new clarifications on the contest page you have open, ensuring that you are always aware of any important updates.

Another useful feature is the addition of a link tab to the beta page on non-beta pages. This makes it easier to navigate between the beta page and other pages on Atcoder, saving you time and effort.

Comfortable Atcoder also provides a dropdown list of problems, making it convenient to switch between different problem sets without the need to manually search for them. Furthermore, it offers a configurable warning if you select specific languages for submission, such as text or bash. This helps prevent accidental submissions in unsupported languages.

Overall, Comfortable Atcoder is a valuable add-on for Atcoder users, providing a range of features that enhance the coding experience. Whether you are a beginner or an experienced coder, this add-on can help streamline your workflow and improve your productivity.