Extensions in the Google Chrome web browser can either be enabled or disabled once they have been installed. When they are enabled they are automatically active and may display an icon in the toolbar of the browser or run background processes. And while you can take care of the icons, you can't really control the running of the extension itself. Some extensions limit their functionality to specific websites, while others are active on all websites automatically.
The Google Chrome add-on Extension Automation lets you decide on which websites you want an extension to work on, and on which it should be disabled.
The author has implemented two options to handle this. You can first left-click on the extension icon in Chrome's address bar to display an overlay menu to enable or disable the extension on the current - or a custom - website, or alternatively open the settings with a right-click and the selection of options from the context menu.
If you select to enable extensions on specific domains only, the selected extensions will only be enabled in the Chrome browser when you visit on of the whitelisted sites. Once you close the last matching domain, the extension is automatically disabled in the browser and can't be used anymore until you visit one of the whitelisted domains or add new web addresses to the list.
If you select disable the extension will explicitly disabled on the selected websites. You can for instance disable Facebook or Twitter notifications when you are on said websites or make sure an extension is disabled if it proved to be incompatible with a particular website or service.
You can alternatively make sure that an extension is only active on a web address that you need it on. Say you install a photo zoom extension that you only want to use on Facebook or Flickr. This ensures that the extension won't be enabled on any other sites that you visit.
This extension can be valuable to you if you have lots of extensions installed of which some place icons in the browser's address bar, as you can use it to reduce the clutter here. The second feature that you may like is that you can also use it to reduce the background activity of select extensions.
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.