BlockThat is a free Chrome extension developed by alex. It falls under the category of Browsers and is specifically listed under Add-ons & Tools. This extension provides a simple yet effective solution for those who struggle to stay away from certain websites.

The main feature of BlockThat is its ability to permanently block websites. Once a site is added to the blacklist, it cannot be unblocked. This feature is particularly useful for individuals who find it difficult to resist the temptation of visiting certain websites and need a strong deterrent to stay focused and productive.

BlockThat is currently compatible only with PC, but the developer is working on Mac compatibility. With its straightforward functionality and commitment to blocking sites forever, BlockThat is a valuable tool for users who want to regain control over their browsing habits.