Ever come across a video on YouTube and wished you could download it for offline viewing, or cut it to DVD and watch it on your living-room TV? Of course you have. Everybody has. With Airy, you can do just that. It's easy to use. Simply navigate to the YouTube video you want to download, then copy and paste the URL into the field in the Airy app, choose a resolution and click Download. You can download videos as MP4, FLV, and 3GP, with HD, 4K and 8K Ultra HD resolutions supported, or go for MP3 to download only the audio. Airy can also be integrated into most popular web browsers, such as Safari, Chrome, Firefox, Opera and Explorer too, to download directly from your bookmarks bar. If you've a…