Y2Mate online YouTube to MP3 Converter
The format doesn’t really matter with Y2Mate. Whatever you choose, you’ll get great speed free of charge. This ranges from audio - MP3, OGG, WMA and FLAC - to video, such as AVI, MP4, MPG, WMV, MOV, and FLV. Naturally, it’s great for MP3 downloads. Using it is a breeze - copy, paste and push the "Start" button.

Pros
- Many popular formats available
- Works in any web browser
- Does not require an account
Cons
- Tries to send notifications
- Broken on Android