Convert to MP3 is a Firefox add-on that simplifies the process of converting audio and video files into MP3 format. With its intuitive drag-and-drop interface, users can easily add files for conversion. The add-on allows for customization of settings such as audio bit rate, sample rate, and audio channels, providing flexibility to meet various audio quality needs.

Additionally, Convert to MP3 includes a trimming function, allowing users to select specific audio sections for conversion, enhancing its usability. Built on the reliable lame.js JavaScript library, this tool ensures consistent performance and output quality. For users seeking guidance, comprehensive instructions are available on the FAQ page, making it easy to navigate the features and functionalities of the add-on.