Extensions
Autofill Forms
Autofill Forms using keyboard shortcut or toolbar button.
Youtube is No MORE
Remove everything from the homepage of youtube, so you dont get lost, and you can still check your notifications.
SimilarWeb
See website traffic and key metrics for any website, including engagement rate, traffic ranking, keyword ranking and traffic source.
BugMeNot 2
Find logins/passwords for websites that force you to register.
Temporary Mobile View
Temporarily switch the current tab into Android or iOS view
Improve tabs by clicking
A pop-up window with multiple links of your choice and a context menu that adds new functions for managing open tabs.
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
Redirector
Redirects URLs / modifies HTTP headers arbitrarily.
AdBlocker for Gmail™
Removes all annoying Ads and banners from your Gmail
GIF Blocker
Block GIF and WebP animation images on HTML pages to reduce bandwidth and resource usage
Roman Numeral Converter
Convert Arabic numbers to Roman Numeral and vice versa!
The Old Reader add feed extension
Insight - Track and Optimize Your Time Online
Know how you spend your time online. Insight by Freedom tracks the time you spend on websites, so you can improve your habits.
Magnifying Glass (Hover Zoom)
Press on the toolbar button to see the magnifying glass on the current page.
AlarmMe
Alarm you at the given time or after a given time period.
Brainly Blocker by nitro.
An extension that blocks some of brainly's ads and other stuff.
DuoKeyboard
Adds automatic keyboard switching on duolingo.com based on the user preferences.
Sellizer dla CRM
Window Resizer
Resize and align the current window to the predefined position with multi-monitor support
Merge Windows
Merge all browser windows in one
Serpstat Website SEO Checker
Instantly check your website's SEO, analyze competitors and get advantage of powerful search analytics in one place.
Desktop Screen Record
Record the computer's screen, entire application or a single browser tab with audio support
Language Transliteration
Language Transliteration - Type in your own language
Close & Clean
Close all tabs and windows and clean up Opera in one single click
Asystent Librus (Frekwencja i Średnia)
Umożliwia podgląd średniej ważonej oraz frekwencji na dzienniku Librus
Free Snipping Tool
Quick way to start Free Snipping Tool right from Opera
Single Window (open links in active window)
Do not allow popup windows. Open all links in the current window
GMX Mail Checker
Check gmx.com for unread emails and get badge area counter without the need to enter your credentials (password)
Custom UserAgent String
Add a custom useragent string for desired URLs or domains.
Duplicate Bookmarks Finder
Find and delete duplicate bookmarks.
InstaWord
Learn new words on the go as you surf and read through the web. Select the word and InstaWord gives you the meaning, synonyms and usage example.
URLShortener
Shorten URLs and copy to clipboard or post to twitter directly. Goo.gl, Bit.ly, McAf.ee, Youtu.be Y.ahoo.it, and others.