ClickBlocker is a free Chrome add-on developed by ohO_oho. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This handy tool allows users to block the default behavior of links based on a customizable whitelist.

With ClickBlocker, users have the ability to take control of their browsing experience by specifying which links should have their default behavior blocked. This can be particularly useful for those who find certain websites or advertisements intrusive or annoying.

The add-on is easy to use, with a simple interface that allows users to add and manage links on their whitelist. By default, all links are allowed to function normally, but users can easily add specific links to the whitelist to block their default behavior.

Overall, ClickBlocker is a useful tool for Chrome users who want to have more control over their browsing experience. It provides a simple solution to block the default behavior of links based on a customizable whitelist.