코테-코드다듬기 is a Chrome extension designed to automatically format code before submission on various coding test platforms. This free tool simplifies the process for programmers by converting code into a submission-ready format for sites like 프로그래머스, 백준, and SWEA. It enhances productivity by ensuring that the code adheres to the specific requirements of these platforms, saving time and reducing errors during submission.

Key features include automatic class name conversion to standard formats such as Solution or Main, removal of package declarations for Java, and optional deletion of various comment types including single-line, block, and Doc comments. The extension supports popular programming languages such as Java, C++, and Python, making it a versatile tool for developers looking to streamline their coding workflow.