User-Agent Switcher is a quick and easy way to switch between user-agents.
Open in (background) tab
Extends the context menu of selected text to open an URL in a new tab.
The official Lavender Town's Website widget, with basic shortcuts and links to the site.
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
Quickly view the HTTP headers of the current tab.
This extension lets you easy find the most common Opera actions.
Whats My Info
Shows your IP address and other useful info.
Send free SMS text messages w/o registration
Slim Scroll bar
Modern & slim looks for browser scroll bars!
EX.UA/FS.UA без рекламы
Allows to disable the ad units: in the top, between the elements of the list, at the homepage, as well as on the search pages.
Greasemonkey-like mods, but quicker to tweak. Create and apply your own synced tweaks to web pages
Snap Usage Monitor
Easily monitor your Snap data usage.
4chan X Name Sync
Enables names on 4chan's forced anon boards. Requires 4chan X.
Innovative anonymous chat, try it now for free and explore the Alien
The most popular radio stations in France.
The most popular radio stations in the UK
OMG! Ubuntu! for Opera
The official OMG! Ubuntu! extension
Browse JSON like you do it in Finder.
Notifier of unread articles for Feedly.
Shareaholic for Pinterest
Pin images from any website to Pinterest. See the official Pinterest pin count for any link.
USA Live TV
Online TV From USA - USA Live TV
Buffer is the best way to share great content to Twitter, Facebook and LinkedIn from anywhere on the web, with just one click.
Emulates Opera 12 tab behaviors
Give more functionalities to the game 2fight.com
IP Address and Domain Information
The Ultimate online investigation tool! Info about every IP, Domain and ISP.
Aol Reader No-ads
Hide the ads and expand the content area in Aol reader.
Linkify For Opera
Converts any plain text to clickable links
The Hyperlink, 2.0
The extension adds memes to facebook chat that everyone can see and removes facebooks ads.
Share web pages, selected text, links and images on Twitter by right click.