Quickly and easily switch between popular user-agent strings.
Notifies you about unread e-mail in your Gmail account.
Google Keep Sidebar
Access to Google Keep website on the sidebar.
Visual bookmarks, bookmarks sync across various browsers and absolute safety for your bookmarks
Tab Suspender (Tab Unloader)
Automatically suspend (hibernate) inactive tabs to free up system resources
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
A simple proxy management tool
QR Codematic allows you to easily generate QR codes.
Open in VLC media player
Adds a context menu to send audio and video streams directly to the well-known VLC™ media player
Open in PDF Viewer
Easily open desired links in PDF viewer
EverSync - Sync dials, backup dials
Synchronize your bookmarks, FVD Speed Dials. Secure online access. Backup, restore your bookmarks. Sync favorites between computers
Retruco Eliminate Anti AdBlock
Removes fixed message from Ad-Block blockers
Black Menu for Google™
The easiest access to the Google universe
Avira Password Manager
Avira Password Manager creates, saves, manages, and syncs all your passwords and notes across all your devices.
Buster: Captcha Solver for Humans
Save time by asking Buster to solve captchas for you.
Read epub files directly in the browser
Grammar and Spell Checker - LanguageTool
Check your texts for spelling and grammar problems everywhere on the web
The safe way to access your personal mail.
Close & Clean
Close all tabs and windows and clean up Opera in one single click
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
Reddit Enhancement Suite
A suite of modules that enhance your Reddit browsing experience
Preview documents, videos, music and more before you download them.
SAY GOODBYE TO ADS! Browse Safely. Optimize Surfing.
RSS Reader for Opera 15+!
Reload-Refresh Tab-(For One Tab)
Steam Trader Helper
This extension facilitate the work on the Steam Community Market.
Take a screenshot from the entire website with just one click.
Session manager and tabs saver. With sync
Block ads seamlessly on popular websites
Google Keep is the easiest way to store your notes while you browse internet
Old school opera notes