Extensions
Opera Ad blocker
Built-in Ad blocker blocks ads and lets you surf the web up to 3x faster.
Adblock Plus
Block YouTube™ ads and pop-ups & fight malware!
Dark Mode
A global dark theme for the web
DocsAfterDark
Modern, dark mode for Google Docs
Megane for H-Chan
Removes blur and other kinds of censorship on hentai-chan and nude-moon
Titanium Cheats chess
Titanium Cheats suggests the best move, rates possible moves, warns for blunders, and shows how your game on chess.com evolves.
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Stop Reclame
Get rid of ads for free!
Night Mode Pro
Switch to night mode and the display is much easier on your eyes!
Custom Dark Mode
Customize your dark mode for the web!
DarkCloud
Changes soundcloud.com to a dark theme.
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™
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.
Custom Scrollbars
Give your browser a personal touch with customized scrollbars!
YouTube Customizer
Customize your YouTube.
Dark Theme for Google™
A highly customizable dark theme for Google products (search, images, translate, and contacts)
Toggle Old Reddit Redirect
Redirects www.reddit.com URLs to old.reddit.com. The redirect can be toggled on/off by clicking the toolbar icon.
Channel Blocker
Allows you to block YouTube™ videos and comments by blacklisting users and/or by using regular expressions.
YouTube Design Preserver
YouTube Design Preserver preserves the YouTube design that you've chosen permanently!
Auto Dark Theme for Discord
Make Discord automatically match your system's dark/light theme.
ContentBlockHelper
Helps you to block advertisements, tracking or any scripts and any annoying contents with easy methods.
Desktop Lux: Effects
Customize your Web with stunning animations and effects.
Dark Skin for Youtube™
Makes Youtube go dark-side
Dark Theme for YouTube™
A light, dark theme for YouTube with easy toggle on and off and scheduling support. This theme is based on the default YouTube theme
Global Dark Style
A configure dark theme with exception list to change everything to real dark
Dark Theme for YouTube™
A Dark and Smooth Theme for YouTube
FreeStyler
Styles and skins for all popular sites in the web
YouTube 'recommended' ads remover
Remove 'recommended' ads on YouTube
Google Search Dark Mode
Implements a Dark Mode for Google Search.
Website Theme Manager
Change your desired website's look! Choose your style from userstyles.org or write your own!