Extensions
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...
Google Messages Sidebar
Access to Google Messages website on the sidebar.
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
Bookmarks by the Side
A simple bookmarks sidebar.
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
ChessGrow
Give easy access to ChessGrow from sidebar.
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
Free File Sender
Free file transfer
Hackernews Sidebar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
ICQ for Sidebar
Run ICQ Web in Sidebar
Techmeme Sidebar
Browse technology news on Techmeme in the sidebar.
GETTR Sidebar
Bring your news feed from the free speech social media platform gettr.com to the Opera sidebar for quick access.
Luminous: JavaScript events blocker
An experimental extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
TollSjekk
TollSjekk
SunBible
A beautiful way to read, study, and memorize the Bible
Simple Vertical Tabs
Simple Vertical Tabs
Minúta po minúte
Minúta po minúte Denníka N
Sidebar Covid Tracker
Simple Covid Tracker for Sidebar based of https://www.worldometers.info/coronavirus/
JxArşiv | Araçlar
Currency, Meter, Square, VAT, Percentage, Letter, Word Count, Age Calculation and Archives ...
Site Settings Sidebar
Site specific settings on your sidebar.
Browse++ Sidebar
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
GTasks Sidebar
Google Tasks on sidebar (not official)
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
The Stories (sidebar edition)
Smart and beautiful tool for keeping links. Create a story for every ocasion!
Fraction Generator
Generate Fractions for copy to clipboard
Quick History Redux
A Redux (bug fix) for gucio1007's "Quick History". It shows your browsing history in the browser sidebar.
Workspace Tab Counter
A tab counter specifically for GX, which counts tabs per workspace too.
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.
InoReader Sidebar
Mobile version Inoreader.com on sidebar (not official)
KJMZ DA BLAZE
Listen KJMZ DA BLAZE Radio with Opera Browser.