Browser Add-on Framework is a framework that allows developers to create browser add-ons for:
- Internet Explorer
- Firefox
- Chrome
- Safari
- Opera

Use extensive set of tools to develop and build your own browser add-on.

Cross-browser API

The same API requests are available for all browsers.

Cross-domain requests

Request from a script located on one domain to a page or a script located on another domain.

Content scripts

Content scripts are JavaScript files that run in the context of web pages.

Background scripts

It's an HTML page that runs in the add-on process within browser.

Auto-update

Ability to auto-update add-ons.

Buttons on toolbar

You can add custom buttons to browser toolbar to control your add-on's behavior.

Badges on button

Add badges to your add-on on the browser toolbar and add-on.

Popup

Open a popup window over the current window with custom content.