MY-tube

MY-Tube is a simple and effective tool that allows you to download, convert and play YouTube videos. The app is available for Windows, Mac and Linux and is completely free.

To download videos from YouTube, just open the app and paste the video URL into the search bar. Then click the "Download" button and the app will start downloading the video.

After downloading the video, you can select the format you want to convert the video to. The app supports conversion to various formats, including MP4, MOV, WMV, 3GP and FLV.

If you want to share the video on the Internet, you can upload it to YouTube, Facebook or Twitter. The app also supports sharing videos via email or SMS.