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
Фон ВКонтакте
Emoji Keyboard by JoyPixels™
The world's leading emoji keyboard for Opera. Now Unicode 11 compatible!
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.
YouTube HTML5 unblocker
View any YouTube video in HTML5, even those that require flash!
FreeStyler
Styles and skins for all popular sites in the web
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.
YouTube Design Preserver
YouTube Design Preserver preserves the YouTube design that you've chosen permanently!
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
Тема для YouTube - Темный карбон
Для любителей темных тем оформления
Dark Theme for YouTube™
Turn dark theme for YouTube on and off the easy way
ContentBlockHelper
Helps you to block advertisements, tracking or any scripts and any annoying contents with easy methods.
Channel Blocker
Allows you to block YouTube™ videos and comments by blacklisting users and/or by using regular expressions.
Dark Skin for Youtube™
Makes Youtube go dark-side
Darker Medium
Read Medium stories with happy eyes
Dark Theme for YouTube™
A Dark and Smooth Theme for YouTube
YouTube Customizer
Customize your YouTube.
Megane for H-Chan
Removes blur and other kinds of censorship on hentai-chan and nude-moon
Website Theme Manager
Change your desired website's look! Choose your style from userstyles.org or write your own!
![Icon for 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!
Custom Page Zoom
Easily set a custom zoom level for each website (or all websites)
Image Autosizer
Customize how images are displayed and controlled within your browser.
RFC Reader
Simple extension that makes IEFT's RFCs more eye friendly.
Dark Mode for Outlook
A better (unofficial) dark theme for Microsoft Outlook™.