Styles and skins for all popular sites in the web
Disable HTML5 Autoplay
Disables autoplay of all HTML5 audio and video
Userscript support for Opera.
AdBlock. The #1 ad blocker with over 200 million downloads. Blocks YouTube, Facebook and ALL ads by default (unlike Adblock Plus).
Get the best discounts while shopping
Open mailto: links with your favorite online email service
I don't care about cookies
Remove cookie warnings from tens of thousands of 'infected' websites.
Quickly translate words and phrases without a dictionary.
F.B. Purity for Facebook
F.B. Purity cleans up and customises Facebook, letting you filter out the junk you dont want to see
Youtube - Most Popular
The most popular videos on Youtube right now - Live on Speed Dial.
Easily customizable keyboard shortcuts for Opera
Internet Archive This
Submits the current tab to the Internet Archive (must be publicly accessible).
A simple menu to enable, disable and access options of extensions.
The world's most loved twitter client.
Automatically find and apply coupon codes when you shop online!
rightIMG - Context Menu Image Uploader
Upload images to websites like Imgur via the right-click context menu.
Access to Instagram website on the sidebar.
Turns text web addresses into clickable links
Read peacefully without distracting page elements, even offline.
Beta version - Mark already seen Videos on YouTube
Google™ Translator is a handy multi-language translator built on top of Google Translate.
Ant.com Antmarks Extension
Bookmark your favourite webpages and get a full search engine.
One-click video conversations with text chat and screen sharing for up to 8 people for free.
The Stories (sidebar edition)
Smart and beautiful tool for keeping links. Create a story for every ocasion!
Access to TweetDeck. For Opera 29+ only.
Extension allows you to play/pause your SoundCloud stream using button or on site player. Do it even faster by using context menu
The most popular userscript manager for Blink-based browsers
Reddit Comments for YouTube
Real time weather and detailed forecast all round the world
Write your email in Markdown, then make it pretty.