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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!
Titanium Cheats chess
Titanium Cheats suggests the best move, rates possible moves, warns for blunders, and shows how your game on chess.com evolves.
Dark Mode Global
Invert light-themed web pages into dark to reduce eyestrain
Fix for sidebar Facebook Messsenger™
Extension to improve the appearance of the sidebar Facebook Messenger™
Custom Dark Mode
Customize your dark mode for the web!
Фон ВКонтакте
Megane for H-Chan
Removes blur and other kinds of censorship on hentai-chan and nude-moon
Stop Reclame
Get rid of ads for free!
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.
DarkCloud
Changes soundcloud.com to a dark theme.
Fullscreen Anything
Maximizes images, videos, and games in browser windows.
Custom Scrollbars
Give your browser a personal touch with customized scrollbars!
Channel Blocker
Allows you to block YouTube™ videos and comments by blacklisting users and/or by using regular expressions.
Dark Theme for Google™
A highly customizable dark theme for Google products (search, images, translate, and contacts)
YouTube Customizer
Customize your YouTube.
Dark Skin for Youtube™
Makes Youtube go dark-side
Auto Dark Theme for Discord
Make Discord automatically match your system's dark/light theme.
Google Search Dark Mode
Implements a Dark Mode for Google Search.
ZaDark – Zalo Dark Mode
Global Dark Style
A configure dark theme with exception list to change everything to real dark
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
ContentBlockHelper
Helps you to block advertisements, tracking or any scripts and any annoying contents with easy methods.
Screensaver
A screen saver for Opera.
Website Theme Manager
Change your desired website's look! Choose your style from userstyles.org or write your own!
Darker Medium
Read Medium stories with happy eyes
Dark Theme for YouTube™
A Dark and Smooth Theme for YouTube
Custom Page Zoom
Easily set a custom zoom level for each website (or all websites)
Hide it.
Hold Shift key and click on anything you want to hide it.