Userscripts.org

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

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...

Fewer ads on video sites such as MegaUpload, PutLocker, NovaMov, SockShare, VideoWeed, MovShare, ShortForm, daClips, GorrillaVid, and uFLiQ. Removes popups for you too.

Natural looking tool for downloading YouTube videos.

Buffers the video without autoplaying, removes in-video ads, and puts it in hd if the option is on

Scans the YouTube page for all formats, including 1080p on selected videos. Original code by rossy!, taken control of the project since the author has not updated the code for a good while.

Scans the YouTube page for all download formats, from iPod compatible MP4s to high definition 1080p. Compatible with Greasemonkey, Opera, Chrome and more. Runs entirely on the YouTube page without using any external sites. Also, WebM support.

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。

Permette di scaricare qualsiasi video di Youtube in molti formati da MP4 a quelli in alta definizione 1080p, Compatibile con Greasemonkey, Opera, Chrome e altri. Funziona interamente sfruttando la pagina di Youtube senza contattare alcun sito este...

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

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

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

Shows several quality links by the description of a video

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。

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

Changes the video to the higher quality by adding "&fmt=18" at all times. ver. 0.3 (4 March 2010)

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.

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.

Uses the JW Player for youtube. Has options in the user script commands

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

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

Show youtube videos in high quality.

Watch videos in high quality automatically. Now has a UserScript command to toggle a confirmation box. Made for people who don't login or save cookies. Uses JavaScript instead of &fmt=18; no reloading pages

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.

Watch YouTube videos with embedded totem, mplayer or vlcplayer.