Buster: Captcha Solver for Humans is a Firefox extension designed to simplify the process of solving reCAPTCHA audio challenges using speech recognition technology. By activating the extension through the reCAPTCHA widget, users can easily navigate through the often cumbersome CAPTCHA process. While the extension aims to enhance user experience, it is important to note that it does not guarantee successful completion of all challenges, as the effectiveness can vary based on technological limitations.

Additionally, users can improve their success rate by utilizing a client app that simulates user interactions. This app is compatible with multiple operating systems including Windows, Linux, and macOS. Buster addresses the accessibility issues posed by CAPTCHA systems, aiming to provide a more seamless web experience for users who may face challenges due to various factors, including physical and cognitive abilities.