Extensions
Nimbus Screen Capture
Capture Web page, a part of it or the whole browser window, edit screenshots and save the images to Local File or Google Drive.
Tab Position Options
Tab Position Options
Last.fm Scrobbler
Scrobble music all around the web!
XTranslate
Easy translate text on web pages
The Weather
The current weather for where you are, right in your Speed Dial.
Smart RSS
RSS Reader for Opera 15+!
Mailto:
Open mailto: links with your favorite online email service
Open with Google Drive Viewer
Opera extension to open many file formats online using Google Drive Viewer. Open online Office documents, PDF, ZIP, RAR, HTML, PSD etc.
Rambler-Weather
Take a look on the extension for understanding what is the weather like outside.
FastestTube - YouTube Video Downloader
Just install FastestTube and download any video from YouTube!
Textbox Auto Resizer
Redimensionne les champs de saisie et les zones de texte automatiquement lorsque tu tapes
Documents
Viewer pour les documents onlines (p.e. PDF, MS Word)
History Eraser
Deletes typed URLs, Cache, Cookies, your Download and Browsing History...instantly, with just 1-click on the Eraser button!
Outlook.com Speed Dial
This extension shows you if you have new messages in your Outlook.com account when you're logged in.
StopSocial
StopSocial blocks social content in your browser.
App Launcher Customizer for Google™
Easily customize the Google App Launcher
Category Tabs for Google Keep™
Category Tabs for Google Keep™
Link Alert
Provides you information about the links on the website.
F.B. Purity
F.B. Purity cleans up and customises Facebook, letting you filter out the junk you dont want to see
TabHamster
Session manager and tabs saver. With sync
activeCollab Notifications
Brings some of the great activeCollab features, right into your browser.
Violent monkey
Userscript support for Opera.
Cryptocat
Have encrypted, private conversations. Cryptocat is an open source encrypted instant messaging platform.
AlienTube (Beta)
Reddit Comments for YouTube
Nimbus Note
The easiest way to taking notes and clip text/pictures from Web pages in Opera.
FreeStyler
Styles and skins for all popular sites in the web
Markdown Here
Write your email in Markdown, then make it pretty.
Classic Images
Brings back image features from Opera 12
Opera Internal Pages
Shows a dropdown menu with all Opera internal pages (e.g., opera:about, opera:plugins...).
AdBlock
La plus populaire des extensions Chrome, avec plus de 15 millions d'utilisateurs ! Bloque les publicités sur Internet.