URL Blocker is a free Chrome extension developed by andreileonsalas. As an add-on in the Browsers category, it falls under the subcategory of Add-ons & Tools. This extension allows users to block a set of URLs in Chrome, either by loading a file or by entering a specific URL.

With URL Blocker, users have the ability to customize their browsing experience by blocking access to specific websites. Whether it's blocking distracting social media sites during work hours or preventing access to harmful websites, URL Blocker gives users control over their online activities.

One of the key features of URL Blocker is the option to load a file containing a list of URLs to block. This makes it easy for users to create and manage their own personalized block list. Alternatively, users can simply enter a URL to block it on the fly.

URL Blocker provides a simple and straightforward solution for users who want to limit their access to certain websites. Its customizable nature and ease of use make it a valuable tool for anyone looking to enhance their productivity or maintain a safer browsing experience.