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
Emoji Keyboard by JoyPixels™
The world's leading emoji keyboard for Opera. Now Unicode 11 compatible!
Фон ВКонтакте
Dark Theme for Google™
A highly customizable dark theme for Google products (search, images, translate, and contacts)
Night Mode Pro
Switch to night mode and the display is much easier on your eyes!
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.
Custom Dark Mode
Customize your dark mode for the web!
Gentle Night Mode
An addon to invert the color of any webpage/website, making contents of any website less stressful on your eyes.
DarkCloud
Changes soundcloud.com to a dark theme.
FreeStyler
Styles and skins for all popular sites in the web
Global Dark Style
A configure dark theme with exception list to change everything to real dark
Fullscreen Anything
Maximizes images, videos, and games in browser windows.
YouTube Design Preserver
YouTube Design Preserver preserves the YouTube design that you've chosen permanently!
Librus Average
This extension shows grade averages hidden by Librus Synergia
ContentBlockHelper
Helps you to block advertisements, tracking or any scripts and any annoying contents with easy methods.
Тема для YouTube - Темный карбон
Для любителей темных тем оформления
Taringa sin Perdidas
Channel Blocker
Allows you to block YouTube™ videos and comments by blacklisting users and/or by using regular expressions.
Dark Theme for YouTube™
Turn dark theme for YouTube on and off the easy way
YouTube HTML5 unblocker
View any YouTube video in HTML5, even those that require flash!
Dark Mode for Outlook
A better (unofficial) dark theme for Microsoft Outlook™.
Dark Theme for YouTube™
A Dark and Smooth Theme for YouTube
Megane for H-Chan
Removes blur and other kinds of censorship on hentai-chan and nude-moon
YouTube Customizer
Customize your YouTube.
Darker Medium
Read Medium stories with happy eyes
Dark Skin for Youtube™
Makes Youtube go dark-side
Desktop Lux: Effects
Customize your Web with stunning animations and effects.
Website Theme Manager
Change your desired website's look! Choose your style from userstyles.org or write your own!
Dark Theme for Reddit
Simple flat dark grey theme for Reddit..