Visual bookmarks, bookmarks sync across various browsers and absolute safety for your bookmarks
Google Keep Sidebar
Access to Google Keep website on the sidebar.
Notifies you about unread e-mail in your Gmail account.
Tab Suspender (Tab Unloader)
Automatically suspend (hibernate) inactive tabs to free up system resources
Quickly and easily switch between popular user-agent strings.
EverSync - Sync dials, backup dials
Synchronize your bookmarks, FVD Speed Dials. Secure online access. Backup, restore your bookmarks. Sync favorites between computers
Black Menu for Google™
The easiest access to the Google universe
Close & Clean
Close all tabs and windows and clean up Opera in one single click
Homepage in New Tab
This extension enables you to set homepage and open in new or current tab.
Take a screenshot from the entire website with just one click.
Open in VLC media player
Adds a context menu to send audio and video streams directly to the well-known VLC™ media player
Reddit Enhancement Suite
A suite of modules that enhance your Reddit browsing experience
Easily record video & audio from your computer's camera
Buster: Captcha Solver for Humans
Save time by asking Buster to solve captchas for you.
A simple proxy management tool
Steam Trader Helper
This extension facilitate the work on the Steam Community Market.
The safe way to access your personal mail.
Open in PDF Viewer
Easily open desired links in PDF viewer
Retruco Eliminate Anti AdBlock
Removes fixed message from Ad-Block blockers
Preview documents, videos, music and more before you download them.
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
Raindrop.io - Smart Bookmarks
"Save Button" for Web
RSS Reader for Opera 15+!
Adaware Ad Block
The fastest and simplest ad blocker. Blocks all ads including Facebook and video ads. Added security guards against online threats.
SAY GOODBYE TO ADS! Browse Safely. Optimize Surfing.
Block ads seamlessly on popular websites
Enlarge thumbnails on mouse over. Works on over 100 sites and is totally free from shady updates, ads or 3rd party tracking.
Google Keep is the easiest way to store your notes while you browse internet
Avira Password Manager
Avira Password Manager creates, saves, manages, and syncs all your passwords and notes across all your devices.
Old school opera notes
Speeds up browsing over the time, by adding missing Cache-Control response headers.
Session manager and tabs saver. With sync