Adding videos from YouTube to save in MP3
Open your favorite browser and find video you like on YouTube. Select URL in address bar and copy it to clipboard. Now switch to YouTube to MP3 Converter and press the Paste url. Video will be added.
Add multiple URLs
Copy URL in browser like in previous way. Switch to program and press the Gear icon at the bottom. The menu will appear. Select Add multiple urls and window will appear. There you can paste saved url. Edit it manually, add more url or paste the list of url. After editing press OK and all of them will be added.
Another intuitive way is a drag and drop of the URL. Just drag the URL from browser and drop on the window of YouTube to MP3 Converter. And video will be added too.
There is an option for adding URLs automatically. To enable this feature press the Gear icon at the bottom. Select Auto add from clipboard. And since this time there is no need to press additional button and switch to converter to add video. Just browse through YouTube and copy video URLs to clipboard. Program will detect them and add to the list.
Drop on dock icon
Another way is accessible on Mac OS X only. You may drag video URL from browser and drop it on the YouTube to MP3 dock icon. The most convenient in this method is that there is no need for the program to be launched. Just keep the icon on dock and drop URL any time you need.
As you can see there are may ways to work with YouTube to MP3 Converter. And you can use any of them which are more comfortable for you.