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
Night Mode Pro
Switch to night mode and the display is much easier on your eyes!
Фон ВКонтакте
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.
Megane for H-Chan
Removes blur and other kinds of censorship on hentai-chan and nude-moon
Custom Dark Mode
Customize your dark mode for the web!
Fullscreen Anything
Maximizes images, videos, and games in browser windows.
Auto Dark Theme for Discord
Make Discord automatically match your system's dark/light theme.
DarkCloud
Changes soundcloud.com to a dark theme.
Dark Theme for Google™
A highly customizable dark theme for Google products (search, images, translate, and contacts)
Fix for sidebar Facebook Messsenger™
Extension to improve the appearance of the sidebar Facebook Messenger™
DocsAfterDark
Modern, dark mode for Google Docs
Gentle Night Mode
An addon to invert the color of any webpage/website, making contents of any website less stressful on your eyes.
YouTube Customizer
Customize your YouTube.
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!
ContentBlockHelper
Helps you to block advertisements, tracking or any scripts and any annoying contents with easy methods.
Global Dark Style
A configure dark theme with exception list to change everything to real dark
Desktop Lux: Effects
Customize your Web with stunning animations and effects.
WhatsApp Themer
Apply themes to your WhatsApp Web!
Dark Skin for Youtube™
Makes Youtube go dark-side
Website Theme Manager
Change your desired website's look! Choose your style from userstyles.org or write your own!
YouTube 'recommended' ads remover
Remove 'recommended' ads on YouTube
Auto Dark Theme for Feedly
Make Feedly automatically match your system's dark/light theme.
Darkmode for Ecosia
Browse Ecosia in dark mode - save the planet, and your eyes.
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.
YouTube HTML5 unblocker
View any YouTube video in HTML5, even those that require flash!
Dark Theme for YouTube™
Turn dark theme for YouTube on and off the easy way
FreeStyler
Styles and skins for all popular sites in the web