Extensions
Number of search results for 'sidebar tabs': 362
Quick JIRA
Quickly opens the JIRA with the corresponding ticket
YouTube™ auto Pause and Resume
Pause YouTube player when page is hidden and resume when it is active again!
BitRef
Check Bitcoin Address Balance Tool
Copy Title And Url
Copy the title and url in markdown, pukiwiki, html format.
GooglePanicImages
Displays a 'view' link and 'image dimensions' on hover at images of Google image search.
Songsterr tablature downloader
Download Guitar Pro (GP) files from Songsterr.com for playback and editing
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
Sound Booster - Ultra Loud
Boost your browser's audio up to 600% with a single click. Includes a reset button for quick volume control.
vPause
Control vk.com (vkontakte) audioplayer: gobal hotkeys, browser adressbar button
URL Shortener
Shortens URLs with various services.
YouTube™ use Flash Player
Force YouTube to use Flash player over the HTML5 player
Bulk URL Opener
Open multiple URLs at once
Bulk URL Opener
A simple Opera extension to open multiple URLs at once.
Black Menu for Wikipedia
Easy access to the Wikipedia universe
Picture-in-Picture - Floating Video Player
The extension lets users watch videos in Picture-in-Picture (PiP) mode.
SPOI Filter
Control the way you read RSS news online.
Piano Prime
An easy-to-use and lite piano app for your browser.
Centro 365
A better way to manage Microsoft 365
FleetMarks
Lightweight and simple bookmarks
Dev extensions reload
Reload enabled development extensions
Search with Wikipedia™
Select and search in Wikipedia with mouse right-click.
Web Archive Viewer
Easily view archived (cached) webpages via seven different engines.
HTML Content Blocker
Blocks desired HTML contents (script, style, image, object, media)
Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
ePub Reader
Read ePubs in a reader view style window, convert into PDF or use text to speech
Flag Plus
Shows country flag based on the server location for any website
Picture in Picture
Enables Picture in Picture mode on Youtube and other sites on Opera browser
Translate Web Page
This addon provides quick translation of selected texts
Shortkeys
Easily customizable keyboard shortcuts for Opera
YouTube™ No Annotations
Prevents YouTube HTML5 and Flash players from auto-enabling annotations
BazQux Notifier
Displays the number of unread items from BazQux.com
Blendup
A tool for web developers to preview blend modes on different page elements.
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