Tab Suspender (Tab Unloader)
Automatically suspend (hibernate) inactive tabs to free up system resources
Visual bookmarks, bookmarks sync across various browsers and absolute safety for your bookmarks
Yandex Wordstat Assistant
Google Keep Sidebar
Access to Google Keep website on the sidebar.
Notifies you about unread e-mail in your Gmail account.
A simple proxy management tool
EverSync - Sync dials, backup dials
Synchronize your bookmarks, FVD Speed Dials. Secure online access. Backup, restore your bookmarks. Sync favorites between computers
Quickly and easily switch between popular user-agent strings.
Read epub files directly in the browser
Buster: Captcha Solver for Humans
Save time by asking Buster to solve captchas for you.
Open in PDF Reader
Adds a context menu item to send PDF links directly to a PDF viewer like Adobe Acrobat Reader
Homepage in New Tab
This extension enables you to set homepage and open in new or current tab.
Easily record video & audio from your computer's camera
Avira Password Manager
Avira Password Manager creates, saves, manages, and syncs all your passwords and notes across all your devices.
Black Menu for Google™
The easiest access to the Google universe
Reddit Enhancement Suite
A suite of modules that enhance your Reddit browsing experience
The safe way to access your personal mail.
RSS Reader for Opera 15+!
Open in VLC media player
Adds a context menu to send audio and video streams directly to the well-known VLC™ media player
Session manager and tabs saver. With sync
Steam Trader Helper
This extension facilitate the work on the Steam Community Market.
QR Codematic allows you to easily generate QR codes.
Retruco Eliminate Anti AdBlock
Removes fixed message from Ad-Block blockers
Preview documents, videos, music and more before you download them.
Close & Clean
Close all tabs and windows and clean up Opera in one single click
YouTube™ All Flash® Player
Switch all YouTube™ Videos to Adobe Flash® Player.
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
SAY GOODBYE TO ADS! Browse Safely. Optimize Surfing.
Take a screenshot from the entire website with just one click.
Block ads seamlessly on popular websites
Web Boost - Wait Less, Browse Faster!
Make your web pages load faster! Boost browser speed!
Desktop Screen Record
Record the computer's screen, entire application or a single browser tab with audio support