The Old Reader extension
This extension provides a toolbar icon to notify you about unread items in your The Old Reader account.
IPv4 to IPv6 Converter
Convert Internet Protocol v4 (IPv4) address to Internet Protocol v6 (IPv6) address using different methods.
UzHack - ответы к UzTest
Base64 Encode and Decode
Quickly Encode & Decode Base64 strings
The Old Reader Notifier
Notifies you about unread items in your The Old Reader account.
Open in (background) tab
Extends the context menu of selected text to open an URL in a new tab.
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.
Pixiv image downloader
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.
SG Fórum tuning
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.
Classic Tabs brings back some of the extra tab options from Opera 12.
IP Address and Domain Information
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
Linkify For Opera
Converts any plain text to clickable links
Share web pages, selected text, links and images on Twitter by right click.
Multiple label and account notifier for Google Mail (Gmail)
Pocket (formerly Read It Later)
The easiest, fastest way to capture articles, videos, and more.
Opera Chat. Simple, personal.
WebMoney Advisor Next
Internet users feedback about the sites
Speeds up browsing over the time, by adding missing Cache-Control response headers.
Magic Actions for YouTube™
Enhance your YouTube watching experience! Cinema Mode, Mouse Wheel Volume Control, AutoHD, Expand, Snapshots …
Shorten URLs and copy to clipboard or post to twitter directly. Goo.gl, Bit.ly, McAf.ee, Youtu.be Y.ahoo.it, and others.
Easy to use scientific calculator ...
Find out what the mainstream media is keeping silent about.
Print the current page you see.