How can I save a YouTube video as an audio-only MP3 file?

Sometimes you might want to download YouTube videos but only save its audio track.
This howto shows you how to download YouTube videos as MP3 files on your PC or Mac.

Step 1: Install ClipGrab

First of all, you need to install ClipGrab. ClipGrab is a 100 % free and easy to use YouTube downloader and available for Windows, Mac and Linux. Click on the button to initiate the download.

Step 2: Copy the video link

After you have successfully set up ClipGrab, you can launch the program.
Now you need to copy the web address to the video that you want to download. In order to do that, mark the link to the video in the address bar of your browser and hit Ctrl+C (or Cmd+C if you are on a Mac).

Step 3: Insert the video link in ClipGrab

After copying the link, switch to the ClipGrab window. In the “Downloads” tab, insert the copied link into the input field. You can do this by hitting Ctl+V (or Cmd+V if you are on a Mac).
ClipGrab will now gather all necessary information about the video and you can proceed to the next step.

Step 4: Select MP3 as target format

Before you start the download, select the entry “MP3 (audio only)” in the “Format” select box
If you want the audio file to be in sufficient quality, you should select at least 480p from the “Quality” dropdown box.

Step 5: Grab that clip!

All you have to do now is to click on the “Grab this clip!” button. You will be asked to select a file name and the download will start just after that.
When ClipGrab finishes downloading your video, it will automatically be converted and saved as an MP3 file on your computer.