PerfectPixel by WellDoneCode
This extension helps develop your websites with per pixel accuracy!
I don't care about cookies
Get rid of annoying cookie warnings from almost all 'infected' websites!
App Launcher Customizer for Google™
Easily customize the Google App Launcher.
A handy multi-language translator built on top of Google translate.
Neat hovercards for GitHub.
Category Tabs for Google Keep™
Better organize your Google Keep Notes
Asciidoctor.js Live Preview
Render AsciiDoc (.ad, .adoc, .asc, .asciidoc) as HTML inside your browser!
RightTasks for Gmail™
Improved task management in Gmail™
Manage your tabs in the sidebar!
Privacy Badger automatically learns to block invisible trackers.
Code tree for GitHub
Astronomy picture of the day
This extension shows the current 'Astronomy Picture Of The Day' in a speeddial window.
Avast Online Security
Avast Browser Security and Web Reputation Plugin.
Comprehensive site information and phishing protection when browsing the web
OctoLinker is the easiest and best way to navigate between files and projects on GitHub.com. Files containing the following keywords will now have links that redirect you either to the relative file or to the projects GitHub page. Depending on the value, it may redirect you to an external website like a manual page or another service.
The world's most popular userscript manager
HTML5 Editor with CSS, JS, HTML validator and beautify code
Distill Web Monitor
Monitor webpage or feed for changes. Get SMS and email alerts on change detection.
HideMyAss - Free Web Proxy
Use free web proxy to surf anonymously online, hide your IP address, and protect your online identity.
Push to Kindle
Send web articles to your Kindle
Add to Things
Adds any page to Things task manager
Nimbus Notes - The easiest way to taking notes and clip text/pictures from Web pages in Opera browser.
Navigate to websites in the sidebar.
A simple menu to enable, disable and access options of extensions.
DotVPN - better than VPN
Unblock websites and apps at school, work, home, or anywhere in the world. Stay private online and protect yourself on public Wi-Fi.
National Geographic Photo of the Day
National Geographic's Photo of the Day in your speed dial
Ant.com Antmarks Extension
Manage your favorite web pages
Automatically find and apply coupon codes when you shop online!
A simple way to control the tab order of the browser.
Browserling - Cross-browser testing
Cross-browser test websites in the most popular browsers such as Internet Explorer, Edge, Chrome, Firefox, Safari and Opera. Try for free!
Nimbus Screen Capture
Screen Capture FULL Web page or any part. Edit screenshots. Record screencasts - record video from your screen.
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...