You can try the Demo here:
http://phpscriptdemo.info/youtube-mp4-downloader-script/
Features:
Convert and Download any YouTube Video to mp4
Preview the Thumbnail
Show Title, Description, Tags,
Style:
Built with Bootstrap
17 different Themes
Full Responsive
Mobile ready
Easy to customize
Easy translation by yourself
Benefits:
This Script is not illegal
Run on any Server with PHP5
No Database requiered
No ffmpeg needed
Requirements:
PHP 5.x
allow_url_fopen = On
YouTube API Key
Recommendation:
DonĀ“t use Google Adsense for this Script.
We recommend a Server in USA or UK for better Search Results.
Purchase here:
Price: 10$
Copyright Removal: 10$
Other prices: YouTube MP4 Downloader Script
Instant Download after Payment.