Video Downloading and Converting Tools

Open-source, GPL-licensed, multiplatform, multithreaded DVD to MPEG-4 converter, available for MacOS X, Linux and Windows.

Streamclip

MPEG Streamclip is a powerful free video converter, player, editor for Mac and Windows. It can play many movie files, not only MPEGs; it can convert MPEG files between muxed/demuxed formats for authoring; it can encode movies to many formats, including iPod; it can cut, trim and join movies. MPEG Streamclip can also download videos from YouTube and Google by entering the page URL

YouTube

Users aren’t allowed to download videos from YouTube, unless the videos are for fair use or permitted to be downloaded in the service. Extracting video may be in direct violation of the TOS of the site. You shall not download any Content unless you see a “download” or similar link displayed by YouTube on the Service for that Content.

KeepHD

Not only can you download HD copies of your movies, you can also download the mobile 3GP version for your mobile devices plus the standard MP4 and FLV format. Just enter your Youtube video URL below, and KeepHD will automatically grab each version of the video you want to download.

NOTE: extracting video from YouTube may be in direct violation of the TOS of the site.

VideoDownloadX

Download and save videos from video sharing websites from your browser. No registration or download is required and videos can be saved to your PC. Convert videos in popular formats such as FLV, MP3, MP4, MPG and 3GP.

NOTE: extracting video may be in direct violation of the TOS of the site.

Vidtomp3

Download the audio from uncopyrighted video clips on video sites. To use the service simple paste the FULL link of the page with the video on, into the box on the home page, and click "Download".