Userscripts.org

Scrobble music videos from YouTube to Last FM. Contains both automatic scrobbling and manual scrobbling.

Brings the inbox overview back to the home page

Fast, customized and improved results to all website results (Google Images, YouTube, Wikipedia, Firefox Addons, Delicious, Facebook, Amazon, LinkedIn, StumbleUpon...). + Direct Translate and auto-improved search queries in Google too.

Adds the national flag icons next to each username in the comment section of Youtube.

Enhances your pirating experience by adding torrent links to iMDB, Rotten Tomatoes (and MovieFone, soon).

Displays the ratio of likes to dislikes on YouTube videos. Tested on Chrome and Firefox.

Replaces the youtube flash video player with FlowPlayer flash video player.

Displays a tooltip for YouTube videos with video information and a small player for a preview.(English/German)

mouseover to animate thumbs

Display images from links directly on twitter.com or other web-based twitter clients. In Chinese: 在 twitter 及其客户端网站上显示图片缩略图。

Moves the video to the top of the website and resizes it to the screen size. A side effect is that the resolution will auto-select 480p/720p/1080p if it fits in the window due to the video player's default behaviour.

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

Changes Youtube Layout to black from the 2012's Earth Hour css stylesheet.

YouTube shows playlists in an odd order by default, starting off with the playlist last selected. This happens everytime you click "Add to" (adding a new video to your playlist), or in your profile (to see your playlists in the header) and also in...

Automatically shows the full description on YouTube video pages.

Circumvents the "is not available in your country" message on Youtube by using a proxy.

Removes the annoying tracking parameter called "feature" from links on YouTube. (&feature=related and ~25 others) All your YouTube links will follow the same pattern. No unnecessary information in URLs.

Allows users to search their favoured YouTube videos from the Favourites page.

Replace standard YouTube player with latest JW Player.

Jan 15 2013 Major update - now really #1 script of its kind! This script modifies video links on the page with an extra parameter that adds a sleek list of 'More Videos From' (up to 99 videos) the same uploader. FF&Chrome (see screenshot)

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.

Makes ALL your YouTube videos go to HQ automatically. Configurable: Resize youtube to fit 720p, force low quality.

Adds a button to download any tube on Youtube, Google! Video, Dailymotion, Veoh, Yahoo! Video and much more

Enabling the lights out feature on YouTube for every video.

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

Replaces Flash-Player with Media Player

Brings back the old Youtube search/sort options on the video filters, which were removed from Youtube with the new design in December 2012. The script also expands the main layout column to fit these new options.

Download videos from video sharing web sites.

View Facebook at the full width of your browser / widescreen monitor