Extensions
Tree Tabs
Manage your tabs in the sidebar!
ICQ for Sidebar
Run ICQ Web in Sidebar
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
Free File Sender
Free file transfer
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
Sidebar for Google™ Translate
Easy Access to Google Translate via Sidebar UI
Sidebar for YouTube™
Easy Access to YouTube via Sidebar UI
Bible-WebApp
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
Vertical Tabs
Manage your tabs in the sidebar!
Text to Voice
Open sidebar selected text and click in context menu 'Selected text to Speech' to listen
Blendup
A tool for web developers to preview blend modes on different page elements.
GTasks Sidebar
Google Tasks on sidebar (not official)
Web Panel
Navigate to websites in the sidebar.
The Stories (sidebar edition)
Smart and beautiful tool for keeping links. Create a story for every ocasion!
Site Settings Sidebar
Site specific settings on your sidebar.
InoReader Sidebar
Mobile version Inoreader.com on sidebar (not official)
Simple Vertical Tabs
Simple Vertical Tabs
Bookmarks by the Side
A simple bookmarks sidebar.
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
Simple Notes
Simple notes in a panel, with a context menu item to copy text to a note.
Browse++ Sidebar
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
Hackernews Sidebar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
Techmeme Sidebar
Browse technology news on Techmeme in the sidebar.
TollSjekk
TollSjekk
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...
Translator
Translate selected or entered text