This script generata a QR code to youtube page and if you scan with your smart phone. You get MP3 from video.

Watch videos from video sharing websites with extra options.

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Hit 'Flag for Spam' to block users in YouTube chat

Custom Youtube Theme

Make Play Video Auto Highers

get total duration of a playlist in an alert by pressing alt + shift + U on a playlist page.

Forces the Youtube UI to use the old interface (which is secretly still available)

Removes the blue banner for third party cookies. It's annoying as fuck, at least in chrome it wont go away.

Youtube Converter to MP3 & MP4.

Hides/Disables all youtube cards that appear on top of videos.

Youtube logged only.

Inserts a download button on YouTube video pages and sends to hive -Major fixes

Fetches the image link from the page metadata and adds it to the page so it can be easily dragged/copied.

Shows file size for each quality in YouTube

Scrobbles the currently watching YouTube video to last.fm, optimised for YT-Center

AutoPlay next Playlist item in YouTube

like4likebot

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

adding a button's to videos (THUMBNAIL, DOWNLOAD, SOCIAL BLADE)

Changes the YouTube Favicon to the Channel Logo

Displays the volume when it's changing.

Removes typical comments like 'first' and 'I'm early'. Everything can be modified to the users liking.

Get partners and block users form results pages.