OffCas checker is a free Chrome extension developed by maxbelec12. It falls under the category of Browsers and the subcategory of Add-ons & Tools. This extension allows users to determine if a website has a license. With OffCas checker, site visitors can access expert evaluations of various services, check for licenses, and read detailed reviews. These reviews are compiled by experts based on a range of criteria. The analysis of features and the justification of ratings are presented in these review materials. As a result, our extension enables customers to quickly obtain information about the reliability of a website and determine if it suits their needs.