Userscripts.org

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...

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

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。

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

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

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...

Hover your mouse over the bottom edge of the browser viewport to see download options.

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

Select playback quality for YouTube videos automatically (720p by default), support both HTML5 and Flash player on all major browsers.