拡張機能
Sidebar for YouTube™
Easy Access to YouTube via Sidebar UI
Magic Actions for YouTube™
Enhance your YouTube watching experience! Cinema Mode, Mouse Wheel Volume Control, AutoHD, Expand, Snapshots …
Get Styles
Global Twitch Emotes
Twitch culture wherever you go! This extension replaces all Twitch.tv emote phrases with their actual emoticons.
Twitch Now
Explore games & track your favorite streams on Twitch
2048 Sidebar
The famous 2048 game on the Opera Sidebar.
SmoothScroll
Scroll smoothly on all websites with your mouse and keyboard.
Dark Theme for YouTube™
YouTube theme : Specially for night or prevent the flash effect over-night.
YouTube HD
Automatically change YouTube video quality to HD resolution or the highest available one
Free Flash, Unity3D and html5 games
Best Unity3D, Flash and html5 games. This extension opens game panel with a single click. New games every day! Very easy to use!
Open in VLC™ (VideoLAN)
Easily open desired links in VLC media player
![Play Shikimori [beta] 用のアイコン](https://addons-media.operacdn.com/media/extensions/25/237425/0.3.2-rev1/icons/icon_64x64_796d938cecffc336eef409dddb4a6911.png)
Play Shikimori [beta]
Расширение позволяет смотреть аниме онлайн и синхронизировать его с вашим списком на Шикимори (shikimori.org и shikimori.one)
YouTube Center
YouTube Center contains all kind of different useful functions which makes your visit on YouTube much more entertaining.
TV
Huge collection of Live Internet TV channels from all over the world. Online TV / Television
Pinky
Web Extension making 'The Settlers Online' collectibles easy to find!
FairSteam
Real gameplay video on Steam!
YouTube™ Auto HD-LQ
Play YouTube Videos in the Highest or Lowest Available Quality
ImprovedTube - YouTube Extension
Improves YouTube's functions and site with Limited Permissions. Auto HD, Resize, Annotations, Playback Speed and more.
SmartVideo For YouTube
Better YouTube experience. Provides 'Smart Buffer' for slow connections; auto loop; buffer preferences; quality selection; and more.
Free Games
Play your favorite games. Available 1000+ games!
World's most useless extension
The most useless extension in the world.
YouTube™ Anywhere
Provides access to a small floating YouTube window on any page!
BetterRBTV
Comfort functions for YouTube™ Live and YouTube™ Gaming Live.
YouTube™ Media Player
Simple, yet elegant player for YouTube
CatBlock
CatBlock is like an ad blocker, but instead of blocking ads it shows you pictures of cats (configurable)
YouTube Repeater
Adds a button to YouTube videos to toggle auto-repeat.
Lol Searcher
Simple extension for Opera and Chrome that open a page of lol related site with a defined nickname.
Auto Replay for YouTube™
Automatically repeats your favourite YouTube video.
Slither Sessions
Slither.io Mods: ZOOM, play with friends, skins and more.
YouWatch
Beta version - Mark already seen Videos on YouTube
TV Online RUS
Emojica
A nifty extension to use 400+ Facebook emojis! Simply Click & Paste!