Shows a quick reference of selected word from Wikipedia
The BEST Anti Porn, scams, hacks, cams tool on the web, and many more
VK Player Controller
This is a part of VK Player Controller for OS X.
Bring your cursor over any link to preview what's behind it
All EMSC Earthquakes
APR to APY
Convert Annual Percent Rate to Annual Percent Yield based on various compounding methods ranging from daily to yearly
Canonical Url Open
A push on a button will open Web page URL for full browsers (for personal computers) with a new tab.
Simple version of Delshekaste
Currency rates on web pages
Favorite Users - Reddit
Highlight submissions and comments by your favorite users on Reddit.
Future Value Calculator
Calculate future value of present asset or cash based on potential interest rate and inflation
Highlight YouTube-integrated Comment
Highlights YouTube-integrated comment.
Basic photo editing tools. Get online image with context menu to edit with basic tools
Asciidoctor.js Live Preview
Render AsciiDoc (.ad, .adoc, .asc, .asciidoc) as HTML inside Opera!
G2reader - A Google Reader Replacement
MetroDeck enhances TweetDeck with the Metro UI and other improvements.
Extension provides you a simple way to toggle visibility of password inputs in forms.
Addon Manager with Profiling
Manage your addons on multiple profiles from a toolbar panel
Expanding Markbooq need to access your bookmarks.
Annotating the Web
Add-on, by Mediamaster.eu, to easily add annotation functionality to any webpage
PDF to Image Converter
Convert one or more files PDF to images
A tool for web developers to preview blend modes on different page elements.
XBMC Remote Control
XBMC Remote Control for Opera
Search & Replace
Extension for search & replace in forms fields.
Wordgram - vocabulary manager
Interactive world visa map
TrustaFact is the easiest way to determine which sites protect your money, privacy, and information.
Opens Todoist(https://todoist.com) in the sidebar. This is an unoffical extension.
Google Calendar events in your Speed Dial.
The current weather for where you are, right in your Speed Dial.