And some of them cannot guarantee the quality of output videos. Therefore, if you want to make the YouTube to MP3 conversion more successfully and get a MP3 file with high-quality, why not turn to powerful desktop software like Aimersoft. This YouTube downloader softare can help you download any online videos you like from YouTube, Vimeo and other popular video sharing sites, converting the downloaded files to the required formats within a very short time. And the quality of the output files will be as good as the original one. The program is a cross-platform video downloader. Windows version works well with Windows 8/7/XP/Vista.