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Download Youtube Videos (HD 1080p & 720p/HQ MP4, Mp3, FLV, 3GP) Dailymotion (HQ MP4, FLV), Magavideo (HD/HQ FLV) Google (HQ MP4, FLV), Vimeo (HQ MP4) Break (HQ MP4, FLV), Veoh (HQ MP4, FLV), Metacafe, Spike, Myspace, Facebook, Current, Redtube and...

Download videos from YouTube. Simple, lightweight and supports all formats, including WebM.

A cross-browser script that adds a button to download YouTube videos as MP4 and FLV files. This script downloads the videos directly from YouTube and it integrates with YouTube's interface.

adds a link to download YouTube as MP4 , MP4 HD, 3gp , HD OR Flv

Adds FLV, MP4, 3GP, and 720p download links to YouTube.

Removes ads and unwanted sections (configurable), allows downloading and resizing videos, changes the default video quality, expands the description and the video size, can prevent autoplay and autobuffering, etc...

Download videos from all around the web using ClipNabber's integrated downloading service.

YouTube Center contains all kind of different useful functions which makes your visit on YouTube much more entertaining.

Removes ads and unwanted sections (configurable), allows downloading and resizing videos, changes the default video quality, expands the description and the video size, can prevent autoplay and autobuffering, etc...

Save video clips from YouTube, Google Video, Myspace, Metacafe, Break.com, Putfile, Dailymotion and Sevenload.

Download videos from RedTube!

IMPORTANT! THIS SCRIPT IS NO LONGER SUPPORTED. USE PORNIFIER2 INSTEAD: http://userscripts.org/scripts/show/104615

Dec. 10, 2012 - UPDATED! Fixes for new YouTube layout and changes to how MP3's are downloaded!

Megavideo was shut down. This used to be a way to download megavideo movies directly, so you don't get spammed with porn ads. It also provided information like video length and size.

Downloads Youtube videos in a variety of formats straight from Youtube's servers.

Install and then use YouTube as normal, only without the flash. Plays videos with your local FLV-capable media player. Also rewrites common YouTube embed codes to be links to the video page on YouTube.

Removes ads and unwanted sections (configurable), allows downloading and resizing videos, changes the default video quality, expands the description and the video size, can prevent autoplay and autobuffering, etc...

Adds a link to Download a video

Automatically Scale YouTube ect.. to Largest Possible Size & HQ/HD Quality Video. Scroll down to read comments without missing video, more...

Adds a link to download video,video information and a button to watch video. You can watch a video in list pages. ダウンロード用のリンクとビデオ情報を追加します。リストページでビデオを見ることができます。

Adds a link to download the FLV file under every video in Youtube. Make sure that you name the video file 'something.flv'(The extension must be 'flv')

Adds a link to download video,information and a button to watch a video for XVIDEOS.COM and XNXX.COM. You can watch a video in list pages. ダウンロード用のリンクとビデオ情報を追加します。リストページでビデオを見ることができます。

Adds menu (bottom right) with download links for available video formats. Works with Javascript disabled (NoScript).

Grabs flash videos from megavideo.com, megaporn.com & megarotic.com for download. Updated December 15, 2009

Scans the YouTube page for all formats, including 1080p on selected videos. Original code by rossy!, taken control of the project since the author has not updated the code for a good while.

Adds a link to download original videos and preview videos. You can watch a video in list pages. ダウンロード用のリンクとビデオ情報を追加します。リストページでビデオを見ることができます。

Adds a link to download video and a button to watch a video. You can watch a video in list pages. ダウンロード用のリンクとビデオ情報を追加します。リストページでビデオを見ることができます。

Insert the option to download Video and MP3 from Youtube on various types of format and quality the fastest way! - (FLV,WebM,MP4,MP3).

convert youtube videos to mp3's - mod of possumboy's script

Download video's directly from Megavideo.com