To use Zamzar, you simply browse your hard drive for the file you want to convert (or paste in a URL if it's an online video), then choose the desired output format.

To get started, drag files on top of the application interface, choose your output format, and then click the Convert button. Along the way, you can change the resolution and quality of the file.

Quick and convenient, YouTube to MP3 is a website where you can copy and paste the URL of the YouTube video you want to convert. Just add the link and click the Go button. At the next screen ...