Userscripts.org

Makes YouTube videos large. As well as rearranges the terrible new YouTube layout into an elegant layout that has great functionality and I've added a nice lights-out feature to darken the outside screen to give you more focus on the video. Enjoy!...

Automatically set video quality to max!

Resizes the video to a nice and comfortable size unlike other resizers. Autoscrolls to the player and also hides youtube guide and puts the title on top centred. WORKS WITH THE NEW LAYOUT!! (1/2/2012) with 21/3/2013 FIX

Modifies Youtube embed videos, Forces all videos to a larger size (640x385) or (1024x576), With options for: Video Size, Privacy, Https, Autohide, Theme and Colour Setting, Hide Annotations and Hide Related.

Replaces the default YouTube player with Flowplayer (flowplayer.org). Forked from version 1.2 of Youtube Alternate Video Player by Yansky.

Makes youtube in HD.

CSS hack to make better use of HD displays for Grepolis. This is a very early release. Don't expect too much. Grepolis 1.x only.

YOUTUBE improvement style; visual and style; images in maximized size ; this replace Images Style in full size; My Complete Version. - vd-updates

Automatically enables 720p on YouTube

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...

Switches to YouTube's HQ version quickly (no reloading)

Allows user to select a 720p (or 1080p) view from within a YouTube video watch page.

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...

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.

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...

Automatically plays the best quality YouTube video format and removes ads, plus several other optional features

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.

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,

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。

Buffers the video without autoplaying and puts it in HD if the option is on

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

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.

Automatically plays the best quality YouTube video format and removes ads, plus several optional features

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 YouTube as MP4 , MP4 HD, 3gp , HD OR Flv

Adds &fmt=18 to the url for high quality but not if any &fmt=x already exist and adds &fmt=18 to all the links

Replace standard YouTube player with latest JW Player.