Cobalt is a user-friendly, ad-free media downloader designed for simplicity and efficiency. It allows users to download publicly accessible content by pasting a link, ensuring a seamless experience without ads, trackers, or paywalls. The project is structured as a monorepo, containing source code for the API, frontend, and related packages, along with comprehensive documentation for running and protecting instances. Cobalt operates as a proxy, taking zero liability for user actions and never caching content. It emphasizes ethical use, supporting only free and publicly available content, and is not intended for piracy. Contributions are welcome, guided by clear guidelines, and the project is supported by sponsors like RoyaleHosting. Licensed under AGPL-3.0, Cobalt prioritizes transparency and community engagement.