What are Opera extensions?

Opera extensions are code packages that you can add to your Opera Web browser to extend its functionality. The Opera extension API provides functions to explore different features of the Web browser by giving you a variety of options for the extension functionality. If you have already developed extensions for Google Chrome, then you will encounter some similar steps and procedures while developing extensions for Opera. Since Opera is based on Chromium, a majority of core internal functionalities are similar to the Google Chrome Web browser, which means it is possible to run some of the Chrome extensions on Opera.

Now, let us create a privacy based search extension for the Opera Web browser.