Extensions
Boomerang for Gmail™
Allows you to schedule messages to be sent or returned at a later date.
Web Paint
Draw shapes, lines, and add text to live web pages and take screenshot.
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
YouTube Tags
The extension to view the tags of any YouTube video
Reload-Refresh Tab
Reload-Refresh Tab-(For One Tab)
The Printliminator
A simple tool to make websites print better.
Video Converter
Convert any video file to selected formats (i.e. mp4) inside your browser!
YouTube™ All Flash® Player
Switch all YouTube™ Videos to Adobe Flash® Player.
Notifier for Outlook™
The easiest way to check and open your Outlook inbox while you browse internet.
Multi-links
Open multiple links at once.
Cache Cleaner
Easily clear browser's cache via toolbar popup.
IP Domain Flag
Shows country flag and other IP / domain information in the location bar.
YouTube High Definition
A Powerful tool that will let you play all YouTube videos in High Definition automatically.
Tree Tabs
Manage your tabs in the sidebar!
Speed Test
Speed Test Most Accurate Online Broadband Internet Speed Test
Tabsbook
DeepL for Browser
Translate highlighted text
SimpleTabOrder
A simple way to control the tab order of the browser.
Page Reloader
This extension will add a context menu item “Reload every” for page
Transmission easy client
Extension add Transmission web GUI in your web browser
Nimbus Note
Nimbus Notes - The easiest way to taking notes and clip text/pictures from Web pages in Opera browser.
Scroll To Top
Scroll to top and vice versa in a window.
SimilarWeb
See website traffic and key metrics for any website, including engagement rate, traffic ranking, keyword ranking and traffic source.
PoziTone
Adds new features to favorite players: track info notifications, controls outside of browser window, and list of recently played.
Save as MHTML
Save active tab as MHTML web page archive file format with a single click
Color Picker
Search for the perfect color via an stylish color picker in a popup.
Category Tabs for Google Keep™
Better organise your Google Keep notes
IP Address and Domain Information
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
Todoist for Opera
Organize work and life with Todoist for Opera
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Tab Reloader
An easy-to-use tab reloader with custom reloading time settings for individual tabs
VideoSegments
Easiest way to remove boring content from YouTube videos. Great for listening to music.