Leudachain
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!
FreeStyler
Styles and skins for all popular sites in 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.
Fullscreen Anything
Maximizes images, videos, and games in browser windows.
Global Dark Style
A configure dark theme with exception list to change everything to real dark
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!
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!
Megane for H-Chan
Removes blur and other kinds of censorship on hentai-chan and nude-moon
Тема для YouTube - Темный карбон
Для любителей темных тем оформления
Darker Medium
Read Medium stories with happy eyes
ContentBlockHelper
Helps you to block advertisements, tracking or any scripts and any annoying contents with easy methods.
Dark Theme for YouTube™
A Dark and Smooth Theme for YouTube
Dark Skin for Youtube™
Makes Youtube go dark-side
Librus Average
This extension shows grade averages hidden by Librus Synergia
![An ìomhaigheag airson Dusky Gray Facebook [Dark Theme]](https://addons-media.operacdn.com/media/extensions/25/240925/2.1.1-rev1/icons/icon_64x64_c565216b01e21bd721a9a5f050986529.png)
Dusky Gray Facebook [Dark Theme]
When the night has come, and the land is dark, and the moon is the only light... Keep your eyes healthy!
Website Theme Manager
Change your desired website's look! Choose your style from userstyles.org or write your own!
Dark Mode for Outlook
A better (unofficial) dark theme for Microsoft Outlook™.
Ambivid player for Youtube™
Creates light effects around Youtube's video player corresponding to the video content
Custom Page Zoom
Easily set a custom zoom level for each website (or all websites)
YouTube Customizer
Customize your YouTube.