urlBlocker is a Chrome extension developed by siva avis. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory. This extension provides users with the ability to control access to internet websites by allowing or denying access to specific websites based on information contained in an URL list.

With urlBlocker, users can easily manage and restrict access to websites by creating a list of URLs that they want to block. This can be particularly useful for parents who want to limit their children's access to certain websites or for individuals who want to increase their productivity by blocking distracting websites during work hours.

urlBlocker is a free extension, making it accessible to a wide range of users. Its simple and intuitive interface allows for easy navigation and configuration of website blocking settings.

Overall, urlBlocker is a valuable tool for Chrome users who want to have better control over their internet browsing experience by blocking specific websites based on their preferences.