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!
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.
Stop Reclame
Get rid of ads for free!
Custom Dark Mode
Customize your dark mode for the web!
DarkCloud
Changes soundcloud.com to a dark theme.
Gentle Night Mode
An addon to invert the color of any webpage/website, making contents of any website less stressful on your eyes.
FreeStyler
Styles and skins for all popular sites in the web
YouTube Design Preserver
YouTube Design Preserver preserves the YouTube design that you've chosen permanently!
Global Dark Style
A configure dark theme with exception list to change everything to real dark
Megane for H-Chan
Removes blur and other kinds of censorship on hentai-chan and nude-moon
Fullscreen Anything
Maximizes images, videos, and games in browser windows.
Тема для YouTube - Темный карбон
Для любителей темных тем оформления
Channel Blocker
Allows you to block YouTube™ videos and comments by blacklisting users and/or by using regular expressions.
ContentBlockHelper
Helps you to block advertisements, tracking or any scripts and any annoying contents with easy methods.
YouTube HTML5 unblocker
View any YouTube video in HTML5, even those that require flash!
YouTube Customizer
Customize your YouTube.
Librus Average
This extension shows grade averages hidden by Librus Synergia
Dark Skin for Youtube™
Makes Youtube go dark-side
Dark Theme for YouTube™
Turn dark theme for YouTube on and off the easy way
Dark Mode for Outlook
A better (unofficial) dark theme for Microsoft Outlook™.
Darker Medium
Read Medium stories with happy eyes
Dark Theme for YouTube™
A Dark and Smooth Theme for YouTube
Desktop Lux: Effects
Customize your Web with stunning animations and effects.
Taringa sin Perdidas
Dark Mode for Canvas
Dark mode support for Canvas. Stay up late doing your homework, without the eyestrain.
Website Theme Sync
Keeps the web page color theme settings in sync with system color theme.