Codeforces Zen mode & dark mode is a free Chrome add-on developed by Serpong. It is designed specifically for Codeforces, a competitive programming platform. This add-on provides users with a Zen mode and dark mode option to enhance their coding experience.

With the Zen mode feature, users can focus on their coding tasks without any distractions. It removes unnecessary elements from the Codeforces interface, such as ads and sidebars, creating a clean and clutter-free environment. This allows programmers to fully immerse themselves in their coding challenges and boost their productivity.

In addition, the dark mode option provides a visually appealing and comfortable coding experience, especially during long coding sessions. The dark color scheme reduces eye strain and glare, making it easier to read and write code. It also helps conserve battery life on devices with OLED screens.

Overall, Codeforces Zen mode & dark mode is a valuable add-on for Codeforces users who want to optimize their coding experience. It provides a distraction-free environment and a visually pleasing dark mode option for improved productivity and comfort.