Userscripts.org

Download YouTube videos with a single click of a button! Works on Google Chrome and Firefox.

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

Adds two buttons to download video to mp3 (LQ & HQ)

Allows Toggling of Youtube Comments

Turn the lights out for easier watching of YouTube videos!

Dowload button, repeat button, shortcuts, auto selection of resolution 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.

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

Watch videos from video sharing websites 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.

Download YouTube videos. Works on user pages too. Hover over any video link on the page for a mini download button! Verified working in Firefox, Chrome, and Opera since version 1.2.4.

Solo para la calidad 480p para ver en YouTube asi sea en pantalla completa By CesarChris710

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...

Use Meme emoticons like rage guy, troll face, in Facebook, Twitter, Google+, YouTube ,Cuanto Cabron & more this script periodically updated. We welcome suggestions for new memes Usa emoticonos de memes como trolldad pokerface en Facebook Twitte...

Mimics a click on the "+ One more video" links on youtube to show the hidden videos.

Adds a "Upload" button to the page.

Makes Youtube's "Watch" page (video page) better, by putting the video description to the right of the video, and a couple other things.

Https connection for Youtube Iframe videos, Youtube Links

Replaces YouTube comments by quotes from Richard Feynman. Click quote to view original text. (Updated FeynTube script.)

Replace standard YouTube player with latest JW Player.

Faked euren Youtube Nickname so das niemand sehen kann wie ihr wirklich heißt. So könnt ihr ohne Probleme Leuten Videos zeigen in Youtube, ohne das sie euren richtigen Nickname sehen können und euch dann Stalken o.ä.

Play all youtube videos of any page that you visit with an automatically embedded player at bottom of the page

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

Master Scripts eXecute scheduler. for Chrome16.0　Coolnovo2.0.0.9　Safari5.0.5　Opera11.61　Firefox3.6.26　Lunascape6.6.0　SeaMonkey2.7.

Show video ratings on Youtube

-see screenshot inside. -applies only watch page and gets rid of unwanted elements. -bigger video fits window and allways on screen even scrolling down. -full video description and comments on the right sidebar

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...

Watch YouTube without Flash. Choose a format and the video will appear.

Prevents autoplay - does nothing else.

Shows the rating of videos in their thumbnails