YouTube Center contains all kind of different useful functions which makes your visit on YouTube much more entertaining.

Youtube Downloader: all in one script to get Vimeo, Facebook, Dailymotion videos for free

Version 2021/08/02

Adds a download menu to YouTube videos.

Removes all "You are leaving our site" and redirection stuff from links

YouTube with more freedom

Adds a button that lets you download and convert to mp3 YouTube videos .

Moves the YouTube video to the top of the website and fill the window with the video player.

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If youtube is in the new 2017 YouTube Material Redesign, automatically restore classic view

Buffers the video without autoplaying and puts it in HD if the option is on. For Firefox, Opera, & Chrome

Help you easier to download files from anonfiles.com network, and can download video from porn site..

Download YouTube videos and audios for free without external service, convert YouTube to all formats.

Convert youtube video to MP3

Watch videos from video sharing websites without Flash Player.

This addon skips youtube ad automatically (This is not an ad blocker)

Removes Youtube Ads and other unwanted layers from Playing Videos

Adds a download menu to YouTube videos.

方便的在各个引擎之间跳转。可自定义搜索列表的 NLF 修改版。

Replace http:// with https:// in the address bar, to make sure you're using the SSL-encrypted version of a page. Only enable for pages that you know are SSL enabled.

Watch age restricted videos on YouTube without login and without age verification :)

Download video and music (audio) from Youtube, Twitter, Vimeo, Facebook, Instagram, SoundCloud, Dailymotion, Liveleak, Break, Imgur, Mashable, 1tv, VK, TED, youku, bilibili and 5000 more sites for free. Also support to download subtitles. Free, fast and easy to use. No need to install any annoying softwares. Supporting MP4, WEBM, AVI, 3GP, MP3, M4A, 8K, 6K,4K, 2K, 1080, 720, 480 ,360, etc.

This used to display ratings bar on YouTube thumbnails, but Google has blocked how it gets its data. I'm disabling it for now in case people still have it running.

Adds a button that lets you download YouTube videos.