NKLCBHub is a Chrome extension developed by donghyeon0915. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory. The program allows users to easily upload problems from Baekjoon Online Judge (BOJ) to Github.

By linking their Github account with the extension, users can access their Github repository's directory information. When users click on the Upload Problem button, they can review the directory information of their chosen repository and select the desired directory to upload the problem information and submitted source code.

NKLCBHub is a customized version of BaekjoonHub, providing a convenient environment for users to seamlessly share their problem-solving achievements from Baekjoon Online Judge to Github.