I don't care about cookies
Remove cookie warnings from tens of thousands of 'infected' websites.
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.
Find the best offers while shopping
The world's most loved twitter client.
Userscript support for Opera.
CookiesOK aims to automatically accept cookies on websites that are affected by the recent (26-02-2011) EU cookie laws.
rightIMG - Context Menu Image Uploader
Upload images to websites like Imgur via the right-click context menu.
F.B. Purity for Facebook
F.B. Purity cleans up and customises Facebook, letting you filter out the junk you dont want to see
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
Easy Screenshot is an easy-to-use screen capturing tool from right-click context menu.
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.
De populairste Chrome extensie met meer dan 40 miljoen gebruikers! Blokkeert advertenties op het internet.
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.
Quickly translate words and phrases without a dictionary.
Styles and skins for all popular sites in the web
Asciidoctor.js Live Preview
Render AsciiDoc (.ad, .adoc, .asc, .asciidoc) as HTML inside Opera!
No more duplicated tabs!
It will not allow for duplicated tabs in your tabs bar. Less tabs will give you better performance of your browser and easier overview of the tab bar.