Chrome & Firefox Extensions:


'Improve YouTube!' (Video & YouTube Tools)
https://chrome.google.com/webstore/detail/improve-youtube-video-you/lodjfjlkodalimdjgncejhkadjhacgki
https://addons.mozilla.org/en-US/firefox/addon/youtube-addon
종합 컨트롤 패널

Auto Youtube Shorts Scroller
https://chrome.google.com/webstore/detail/auto-youtube-shorts-scrol/elggcfikfbaijgcofcapgeahjaclpfnf
https://addons.mozilla.org/en-US/firefox/addon/auto-youtube-shorts-scroller/
자동으로 다음 쇼츠로 넘기기

Auto Youtube Shorts Scroll Down
https://chrome.google.com/webstore/detail/auto-youtube-shorts-scrol/bfofdkanfmkkbngkmhmcjichambccene
자동으로 다음 쇼츠로 넘기기

BlockTube
https://chrome.google.com/webstore/detail/blocktube/bbeaicapbccfllodepmimpkgecanonai
https://addons.mozilla.org/en-US/firefox/addon/blocktube/
특정 영상/채널/댓글 차단

Multiselect for YouTube™
https://chrome.google.com/webstore/detail/multiselect-for-youtube/gpgbiinpmelaihndlegbgfkmnpofgfei
https://addons.mozilla.org/en-US/firefox/addon/multiselect-for-youtube/
영상 여러개 선택해서 한꺼번에 재생목록에 저장/삭제(id 2개이상 로그인되어있으면 가끔 다른 아이디의 라이브러리 나옴)

PocketTube: Youtube Subscription Manager
https://chrome.google.com/webstore/detail/pockettube-youtube-subscr/kdmnjgijlmjgmimahnillepgcgeemffb
https://addons.mozilla.org/en-US/firefox/addon/youtube-subscription-groups/
구독채널을 그룹별로 관리

Return YouTube Dislike
https://chrome.google.com/webstore/detail/return-youtube-dislike/gebbhagfogifgggkldgodflihgfeippi
https://addons.mozilla.org/en-US/firefox/addon/return-youtube-dislikes/
싫어요 숫자 표시

YouTube Aspect Ratio Control
https://chrome.google.com/webstore/detail/youtube-aspect-ratio-cont/nibkffljoplhfjjnompgibnkoehbjmmo
https://addons.mozilla.org/en-US/firefox/addon/ultrawidify/
화면비율 조절(16:9에서 4:3으로 바꿀려면 75%H)

Youtube Playback Speed Control
https://chrome.google.com/webstore/detail/youtube-playback-speed-co/hdannnflhlmdablckfkjpleikpphncik
https://addons.mozilla.org/en-US/firefox/addon/youtube-speed-control/
재생속도 조절(다른 스트리밍 싸이트에도 작동함. Animated GIF에도 작동함(일베 포함))
숫자키패드에서 + 빠르게/- 느리게/* 리셋

YouTube Tags
https://chrome.google.com/webstore/detail/youtube-tags/fffiogeaioiinfekkflcfebaoiohkkgp
https://addons.mozilla.org/en-US/firefox/addon/youtube-tags/
영상의 태그 보여줌

Comments Sidebar for Youtube
https://chrome.google.com/webstore/detail/comments-sidebar-for-yout/cgijphidahihhjphcfklefeknhemmdgh
댓글창을 영상 오른쪽에 배치. 마우스로 width 조절가능. 설명/관련영상/재생목록/라이브챗도 사이드에 표시됨

Show YouTube comments while watching
https://chrome.google.com/webstore/detail/show-youtube-comments-whi/gonknbphdaoahjnamfjpaincammofgae
댓글창을 영상 오른쪽에 배치. width 조절불가

Sidesy: Your Comments Sidebar For YouTube
https://chrome.google.com/webstore/detail/sidesy-your-comments-side/mlceikceecooilkgiikkopipedhjjech
https://addons.mozilla.org/en-US/firefox/addon/sidesy
댓글창을 영상 오른쪽에 배치. width 조절불가

YouTube™ Comment Translate
https://chrome.google.com/webstore/detail/youtube-comment-translate/alaejlmlpgcffloicejpccebbeeibemo/related
https://addons.mozilla.org/en-US/firefox/addon/youtube-comment-translate
댓글 번역

PhotoShow
https://chrome.google.com/webstore/detail/photoshow/mgpdnhlllbpncjpgokgfogidhoegebod
https://addons.mozilla.org/en-US/firefox/addon/photoshow/
썸네일 크게 보여줌

Better YouTube Shorts
https://chrome.google.com/webstore/detail/better-youtube-shorts/icnidlkdlledahfgejnagmhgaeijokcp
https://addons.mozilla.org/en-US/firefox/addon/better-youtube-shorts/
쇼츠에서 앞뒤seek 볼륨조절 재생속도조절. 단축키 설정가능

Rotate Youtube Video
https://addons.mozilla.org/en-US/firefox/addon/rotate-youtube-video/
영상회전 줌인/줌아웃 좌우반전

YouTube Anti Translate
https://chrome.google.com/webstore/detail/youtube-anti-translate/ndpmhjnlfkgfalaieeneneenijondgag
https://addons.mozilla.org/en-US/firefox/addon/youtube-anti-translate/
영상제목 강제번역 막아줌

Video Speed Controller
https://chrome.google.com/webstore/detail/video-speed-controller/nffaoalbilbmmfgbnbgppjihopabppdk
https://addons.mozilla.org/en-US/firefox/addon/video-speed-controller-new/
html5 영상 콘트롤러. 재생속도조절 앞뒤seek 음소거 등. 단축키 설정가능

Video Blocker for YouTube™
https://chrome.google.com/webstore/detail/video-blocker-for-youtube/nedcanggplmbbgmlpcjiafgjcpdimpea/
영상/채널/댓글 등 차단

Video Transformer
https://chrome.google.com/webstore/detail/video-transformer/cafdfogfbjpgdmppmdchgcggdepfbndo
https://addons.mozilla.org/en-US/firefox/addon/video-transformer/
html5 영상/사진 콘트롤러. mpc-be처럼 줌인.줌아웃/크기조절/이동/회전/상하좌우 미러링

Video Image Control
https://chrome.google.com/webstore/detail/video-image-control-new-g/mdoelcifdkcimkdbfkjjnedabmjlkokc/
html5 영상/사진 콘트롤러. brightness/contrast/saturation/hue/gamma/sharpness/playback speed 등