Ytmp3 is the fastest YouTube to MP3 converter that lets you convert YouTube videos to MP3 or MP4 instantly. Download high-quality MP3 files without signup.
To get full-HD or higher resolutions, MP3 Video Converter is required. But it doesn't support some type of CPUs (intel, mips and armv6) yet. We are currently working on it. So please stay tuned for updates. Speed is too slow