Speeds up browsing over the time, by adding missing Cache-Control response headers.
Session manager and tabs saver. With sync
Google Keep is the easiest way to store your notes while you browse internet
Adaware Ad Block
The fastest and simplest ad blocker. Blocks all ads including Facebook and video ads. Added security guards against online threats.
Text to Speech (TTS)
A text to speech tool with natural sounding voices.
Auto Pause|Stop for YouTube™
Automatically pause or stop YouTube videos from playing
RSS Reader for Opera 15+!
A quick simple notepad for your browser.
Lingvanex - Translator and Dictionary
Lingvanex Translator is a modern translation application for 127 languages
Bookmarks by the Side
A simple bookmarks sidebar.
Retruco Eliminate Anti AdBlock
Removes fixed message from Ad-Block blockers
Intelligent Speaker: text-to-speech
Intelligent Speaker: FREE smart reader, runs on leading tts engine. Convert files, blog posts & more to speech. Listen on any device
Display JSON objects by transforming them into Syntax editable highlighted HTML
Awesome Screenshot: Capture & Annotate
Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. Support PNG and shortcuts.
All google web apps with a single click
Mobile View Switcher
Switch to mobile view with one click via toolbar button.
Disable Autoplay for YouTube™
Disable YouTube HTML5 player from auto-playing.
Save pages for later reading
Draw shapes, lines, and add text to live web pages and take screenshot.
Print the current page you see.
Track life's important events all in one place supporting badge notification
Bookmark Manager and more ....
Simple notes in a panel, with a context menu item to copy text to a note.
IP Domain Flag
Shows country flag and other IP / domain information in the location bar.
Web Boost - Wait Less, Browse Faster!
Make your web pages load faster! Boost browser speed!
Speed Test Most Accurate Online Broadband Internet Speed Test
Classic Tabs brings back some of the extra tab options from Opera 12.
Manage your tabs in the sidebar!
Shows a popup with an image preview when hovering over link.
Gmail™ Panel (and Notifier)
Easy access to Gmail via toolbar-popup UI, plus, get badge notifications.
Easily clear browser's cache via toolbar popup.
Opens Todoist(https://todoist.com) in the sidebar. This is an unoffical extension.