Opera extensions allow users to easily add functionality and features to their web browser. Extensions can, for example, translate web pages, add the option to download videos from YouTube or show you the latest news in Speed Dial.
To get Opera extension visit their library through Opera Menu → Extensions → Get Extensions menu. Extensions can be obtained from Opera website and automatically installed upon their download. Currently they work only for desktop version of Opera web browser.
You can manage extensions already installed in your browser with the Shift + Ctrl + E key combination (or alternatively Opera menu → Extensions → Manage Extensions).
We have prepared a list of great extensions that offer great features for your Opera web browser that you should definitely not miss.
List of great extensions for Opera web browser
Development extensions
Readable JavaScript
Extension for auto-formatting and colorizing JavaScript code. Triggered by files with .js extension in their URL or by the toolbar button.
Seoquake
Seoquake is a powerful and handy SEO analytic tool, aimed at helping web masters who deal with search engine optimization and Internet promotion of web sites. Seoquake allows users to obtain and investigate many important SEO parameters.
Source
This extension offers many source code related features. You can view the actual DOM tree as nicely highlighted code (it isn't the original source, but in most cases almost the same), or view selection source or a single element's source.
Productivity extensions
Highlighter
With this extension you can highlight elements on the webpage. Basicly it works like a highlighter pen, but it's more complex. You can highlight any number of elements including sections of text and tables and areas on images.
Translator
This extension uses Google Translate, Bing Translator, Promt Translator or Pragma Translator (optional) to translate typed text, selected text, or active page.
Word counter for Opera
Word Counter is a simple extension that counts words and letters in selected text. Results can be then displayed either on toolbar, a tooltip, or in a popup window.
Social extensions
Better Facebook 2
With this Opera extensions users can make Facebook pahes more comfortable. Add many customization options and removes unpopular features.
Shareaholic for Opera
Opera Extension that probably represents the easiest way to share interesting webpages using Facebook, Twitter, Email, Gmail, Bookmarks, and other.
Security extensions
LastPass
LastPass is a free password manager and form filler. LastPass is also available for Firefox, Internet Explorer, Google Chrome and Safari.
Opera AdBlock
Powerful ads blocking extension for Opera web browser.
Utility extensions
Gismeteo weather forecast in speed-dial
Easy to use extension for Opera that shows detailed real time weather forecast all round the word.
