Userscripts.org

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

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

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

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...

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.

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...

No autoplay; buttons to play HD/HQ with MP4 or Flash plugin; download. Compatible with Firefox/Safari/Opera/Chrome/others, translated into English/Spanish/German/French/Italian.

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

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

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。

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

Youtube Enhancer = Youtube catcher ( 9 formats ) + Youtube custumizer ( Like going to the movies ) + Youtube lyrics

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。

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...

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

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

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。

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

View every youtube video in high quality and adds a download link to every video. Right Click on "Download Video" then click "Save As". Video is downloaded in mp4 format encoded in H264 and AAC stereo.

No autoplay; buttons to play HD/HQ with MP4 or Flash plugin; download; visit the original page. Works for any site, detecting most YouTube embedded videos.

Watch YouTube videos with embedded totem, mplayer or vlcplayer.

Watch YouTube with MPlayer/Xine/VLC/etc (any Mozilla plugin that can play flv and mp4). Dynamically resize the player and use the HQ/MP4 streams when available.

Turns video links into embed tags

Убирает рекламу и ненужные разделы (настраивается), позволяет загружать и изменять размер видео, отображает все комментарии на странице видео, расширяет описание, может предотвращать автозапуск и автозагрузку видео, добавляет выбор HD (High Defini...

Adds a "Download" button underneath any YouTube web player for extracting the audio and or video and saving it to a High Quality MP3 or MP4 file.

Mp3 converter is a mp3 file converter software.

Direct download MP4 Video . Gives a direct link with resume support to mpeg4 video on YouTube video page. this script use youtubemp4.com for finding mp4 .

No autoplay; buttons to play w/ movie plugin, flash, or d/l