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Opera Ad blocker
Built-in Ad blocker blocks ads and lets you surf the web up to 3x faster.
Adblock Plus
阻止 YouTube™ 广告、弹出窗口并抵御恶意软件！
Dark Mode
A global dark theme for the web
DocsAfterDark
Modern, dark mode for Google Docs
Night Mode Pro
Switch to night mode and the display is much easier on your eyes!
Dark Mode Global
Invert light-themed web pages into dark to reduce eyestrain
Stop Reclame
Get rid of ads for free!
Fix for sidebar Facebook Messsenger™
Extension to improve the appearance of the sidebar Facebook Messenger™
Custom Scrollbars
Give your browser a personal touch with customized scrollbars!
Custom Dark Mode
Customize your dark mode for the web!
DarkCloud
Changes soundcloud.com to a dark theme.
Dark theme For All Websites
Apply a high-contrast Dark theme to ALL websites - Save your eyes with a dark background and light-colored text.
Fullscreen Anything
Maximizes images, videos, and games in browser windows.
Megane for H-Chan
Removes blur and other kinds of censorship on hentai-chan and nude-moon
Фон ВКонтакте
Dark Theme for Google™
A highly customizable dark theme for Google products (search, images, translate, and contacts)
Channel Blocker
Allows you to block YouTube™ videos and comments by blacklisting users and/or by using regular expressions.
YouTube Customizer
Customize your YouTube.
Titanium Cheats chess
Titanium Cheats suggests the best move, rates possible moves, warns for blunders, and shows how your game on chess.com evolves.
Global Dark Style
A configure dark theme with exception list to change everything to real dark
Formula 1 Darkmode
Darkmode Formula 1
Dark Skin for Youtube™
Makes Youtube go dark-side
ContentBlockHelper
Helps you to block advertisements, tracking or any scripts and any annoying contents with easy methods.
Custom Page Zoom
Easily set a custom zoom level for each website (or all websites)
Google Search Dark Mode
Implements a Dark Mode for Google Search.
Auto Dark Theme for Discord
Make Discord automatically match your system's dark/light theme.
Librus Average
This extension shows grade averages hidden by Librus Synergia
Dark Theme for YouTube™
为YouTube设计的浅色、深色主题，易于切换开和关，支持调度。这个主题是基于默认的YouTube主题
Dark Theme for YouTube™
A Dark and Smooth Theme for YouTube
Screensaver
A screen saver for Opera.
YouTube Design Preserver
YouTube Design Preserver preserves the YouTube design that you've chosen permanently!
Desktop Lux: Effects
用令人惊叹的动画和效果为您的网页着色。