Download Direct Video From YouTube

A cross-browser script that adds an option to download YouTube videos as MP4 and FLV files. Unlike many other scripts, this script downloads the videos directly from YouTube and doesn't connect to any other site. 
                                                                                                                

 Formats:

• MP4 360p (480x270, 480x360) - all videos are available in this format. Use it if you want to play videos on a mobile phone (iPhone, Android) or to save space.
• MP4 720p (1280x720) - HD format, available for an increasing number of videos. Use this format if you want to play videos on an iPad.
• MP4 1080p (1920x1080) - HD format, available for less videos than MP4 720p.
• MP4 4K  - HD format, available for a few videos.
• the highest-quality FLV version available: FLV 240p (320x240), FLV 360p (320x240, 400x226, 640x360) or FLV 480p(640x480, 854x480).

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