Extensions
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
Translator
Translate selected or entered text
Sidebar for YouTube™
Easy Access to YouTube via Sidebar UI
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
GX Calculator
Simple GX-style calculator adapts to the current colors and also reacts to keystrokes.
2048 Sidebar
The famous 2048 game on the Opera Sidebar.
Side Calculator
Calculator on the new sidebar of Opera.
Sidebar for Google™ Translate
Easy Access to Google Translate via Sidebar UI
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
Google Keep Sidebar
Access to Google Keep website on the sidebar.
Text to Voice
Open sidebar selected text and click in context menu 'Selected text to Speech' to listen
V7 Bookmarks
Bookmarks manager in your sidebar
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
Simple Notes
Simple notes in a panel, with a context menu item to copy text to a note.
V7 Notes
Old school opera notes
Raindrop.io - Smart Bookmarks
All-in-one bookmark manager
Web Panel
Navigate to websites in the sidebar.
Yandex.Translate Sidebar
This is an unoffical extensions. Yandex Translate for Opera Sidebar
V7 Sessions
Sidebar session manager
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Todoist sidebar(Unofficial)
Opens Todoist(https://todoist.com) in the sidebar. This is an unoffical extension.
Tree Tabs
Manage your tabs in the sidebar!
Vertical Tabs
Manage your tabs in the sidebar!
V7 Stash
Save pages for later reading
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
Free File Sender
Free file transfer
GIKRadio
The extension allows you to listen GIKRadio directly in the browser. Walk on the Internet and listen good music! Request Song from sidebar (press CTRL+SHIFT+S).
V7 Extension Manager
simple extension manager for your side bar
Bible-WebApp
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
Bookmarks by the Side
A simple bookmarks sidebar.
V7 Tabs
Sidebar windows and tabs
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...