The best Youtube Downloader, download video MP4, AVI, MP3, HD, 1080P, 2K, 4k & 8K
Download any video and music (audio) from Youtube, Twitter, Vimeo, Facebook, Instagram, SoundCloud, Dailymotion, Liveleak, Break, Imgur, Mashable, Reddit, 1TV, 9gag, VK, TED, youku, bilibili, IMDb, ESPN, Flickr, Bandcamp, pornhub, 9gag, VK.com, ok.ru, tv.com and 10,000 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, FLV, H64, ACC, FLA, MP3, M4A, 8K, 6K,4K, 2K, 1080, 720, 480, 360, etc.
FYTE /Fast YouTube Embedded/ Player
Hugely improves load speed of pages with lots of embedded Youtube videos by instantly showing clickable and immediately accessible placeholders, then the thumbnails are loaded in background. Optionally a fast simple HTML5 direct playback (720p max) can be selected if available for the video.
INSTALL USER SCRIPT
bitbucket.org, github.com, gitlab.com: Convenient direct “raw” download links (leftmost file icon) to “Install” user scripts and user styles from file lists. This will also allow user css/js auto‐update, even if the script author has not set @downloadURL and @updateURL.
Bypass YouTube age verification
Watch restricted YouTube videos without having to log in. Slightly modified version of https://greasyfork.org/en/scripts/375525-youtube-age-verification-bypass, all credit to original author https://greasyfork.org/en/users/221926
onnotfocus unload tab and save CPU!
This script detect if you are using a tab or not, if not it unload unused tab using display:none and save your CPU Usage, this script reduce CPU Usage drastically because it unload flash, gif, everything that cause animation and eat up your CPU Usage.
gpu acceleration of the flash player
This script is based on the method of incorporating a certain value of the "gpu" attribute "wmode" flash object. Includes gpu acceleration of the flash player. Solves problems with lags of the flash player when watching videos and streams. Works on all websites that use flash technology.