# Extension filesĮxtensions contain different files, depending on the functionality provided. See Extension development overview for a complete list of API capabilities. Allow users to collect and organize information across websites.Change the functionality or behavior of a website.The following are just a few examples of what extensions can do: What makes extensions more powerful than a web app is their access to Chrome APIs. # Chrome extension APIsĮxtensions can use all the JavaScript APIs that the browser provides. JavaScript is used for scripting and logic.īefore moving forward, we recommend that you become familiar with these technologies.

HTML is used as a content markup language.

# Web technologiesĮxtensions are written with the same web technologies used to create web applications: This page introduces Chrome extension development and provides links to step-by-step beginner tutorials.

Chrome extensions enhance the browsing experience by adding features and functionality to the Chrome browser.

Google chrome pop up blocker extension