The Green Web
Automatically check the sustainability of a website with The Green Web add-on.
Truman Grade is the easiest way to determine which sites protect your money, privacy, and information.
Развивающая защита детей в интернете
The unique protection for children! Not only protects, but also enriches your kid!
99.9% Dice Assistant
Extends the functionality of the site, thus helping you to avoid missing the rain, in time to see incoming messages and much more!
Copy As Plain Text
Copy as plain text the content of web pages with rapid preview using context menu
zoom popup with shortcuts
Modification of the default look of the online football manager www.footballarena.org.
Tumblr™ - go to archive
Navigates to the archive of the currently tumblr blog that is currently open.
Get Badge notification for iCloud email and instant access to your iCloud inbox with just one click.
YouTube™ use Flash Player
Force YouTube to use Flash player over the HTML5 player
Vkontakte Music Downloader 2015
Download music from vk.com in one click. Unlimited free music downloads.
Pocket for Opera sidebar extention.
DotVPN - better than VPN
Unblock websites and apps at school, work, home, or anywhere in the world. Stay private online and protect yourself on public Wi-Fi.
Displays a flattr button in the browser address bar.
Seek 'n Play
This extension allows you to search on YouTube whilst playing a video.
GifBooster for Facebook
Watch your animated GIFs play automatically on Facebook. Your Facebook GIFs will come to live.
Close & Clean
Close all tabs and windows and clean up Opera in one single click
.net exception beutifier
Beautifies the standard .net error screen
4chan X Name Sync
Enables names on 4chan's forced anon boards. Requires 4chan X.
Area of a Triangle
Compute area of triange give base and height of triangle or all three sides of triangle. Also computes side of triangle given others
Sandbox your cookies.
A customizable and modern speed dial replacement
Everykey for Opera
Everykey unlocks your devices and logs you into websites when you're around, then locks it all back down when you're not.
Fat Pipe Downloader for Mac
provides Opera with a "Download With Fat Pipe" option
Convert from meters to feet, centimeters to inches, inches to feets. Range of common length conversions are available
Now login easily in Machine Liker.
Metric Length Converter
Metric Length and Distance Converter to convert among, meter, kilometer, millimeter, centimeter, nanometer and more
Convert among metrics like zetta, exa, peta, tera, giga, meta, kilo, hecto, deca, centi, milli, micro, nano, pico, femto & more
MusicD-Search, Play, Download World Music Mp3
Search Popular World Mp3 Songs, Bollywood, English, Regional, Hindi And More Music Song Play or Download Free
Your HTML5 Optical Character Recognition with free Image Converter