Extensions
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Tabsets.net
Use the tabsets.net browser extension to safely keep track all your tabs and links in the Side Panel, locally or in the cloud
Tree Tabs
Manage your tabs in the sidebar!
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...
Bookmarks by the Side
A simple bookmarks sidebar.
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
Free File Sender
Free file transfer
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
ChessGrow
Give easy access to ChessGrow from sidebar.
SunBible
A beautiful way to read, study, and memorize the Bible
GTasks Sidebar
Google Tasks on sidebar (not official)
Browse++ Sidebar
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
Techmeme Sidebar
Browse technology news on Techmeme in the sidebar.
Hackernews Sidebar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
Sidebar Covid Tracker
Simple Covid Tracker for Sidebar based of https://www.worldometers.info/coronavirus/
ICQ for Sidebar
Run ICQ Web in Sidebar
Simple Vertical Tabs
Simple Vertical Tabs
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
TollSjekk
TollSjekk
Fraction Generator
Generate Fractions for copy to clipboard
GETTR Sidebar
Bring your news feed from the free speech social media platform gettr.com to the Opera sidebar for quick access.
Minúta po minúte
Minúta po minúte Denníka N
Quick History Redux
A Redux (bug fix) for gucio1007's "Quick History". It shows your browsing history in the browser sidebar.
InoReader Sidebar
Mobile version Inoreader.com on sidebar (not official)
Workspace Tab Counter
A tab counter specifically for GX, which counts tabs per workspace too.
CalLite CRM
CalLite CRM - Monitor Plugin
Gus EDT Extension
Extension pour utiliser le Gus-Edt
Landmarks
Allows you to navigate a web page via WAI-ARIA landmarks, using the keyboard or a pop-up menu.
KJMZ DA BLAZE
Listen KJMZ DA BLAZE Radio with Opera Browser.
Blendup
A tool for web developers to preview blend modes on different page elements.
The Stories (sidebar edition)
Smart and beautiful tool for keeping links. Create a story for every ocasion!