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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...

Automatically adds embedded videos after links to pages like: glumbert, metacafe, google, yahoo, photobucket, youtube, myspace...(and many others) so you can view the video without opening a new page.

adds a link on the youtube page "Download MP4" from YouTube

Download Link + Quality Selector + Rollover Preview + Media Controller + Media Resizer + More...

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

Perfect package to enjoy HD videos in YouTube. Always watching or downloading the highest quality format ( 4K / HD 1080p / HD 720p / HQ FLV / MP4 iPod ). Add download icons in video list page.

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...

Buffers the video without autoplaying and puts it in HD if the option is on. For Firefox, Opera, & Chrome

The best YouTube script. I know it, and you know it.

The BEST plugin to automatically loop (repeat) YouTube videos - Full, or just a part of it, with loads of other features! Works seamlessly with Firefox 3.6.* and above, and Chrome as well ! Beware of cheap copies. :) *** SUPPORTS HTML5 VIDEOS,...

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

Replaces Flash-Player with Media Player

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...

Turns plaintext/linked YouTube URLs into embedded objects on 4chan, 7chan, 420chan, operatorchan, krautchan, 2chan and imageboard archives

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

电视墙-2

Makes Youtube's "Watch" page (video page) better with a variety of features and options including a right-side description, older video players, style improvements, and much more.

Displays a link below YouTube videos to enable/disable auto replay. Loop your favourite music clips over and over again. *NEW* YouTube playlist support!

Add downloadable links in Youtube Page

Adds a download button to every video on YouTube. Multilingual, Auto-Update & Multiformat supported! (Flv + high-quality Flv & Mp4!)

Adds a lyrics box to the YouTube sidebar under the video informations box. It can search in eleven different lyrics sites and it shows also all the results in a drop down.

Turn the lights out for easier watching of YouTube videos!

Adds links below the Youtube video to (a) download the video (HD .mp4 file, no converters are used, no external sites) (b) view the video with an embedded external player (like mplayer, totem, or vlc plugins)

Adds video titles, shows previews and embeds on click. Also supported: Vimeo, LiveLeak, Dailymotion, WorldStarHipHop, Vine

Watch videos from video sharing web sites without Flash Player. You can view the videos with a classic video plugin or with HTML5's video player. A download option is also available.