It is a free extension that adds a grammar and spelling checker to your browser. It can correct spelling, grammar, and punctuation on the websites that you visit. It is very fast, lightweight, and easy to use. You do not need to add any extra libraries, just install the browser extension. You can easily use it on Facebook, Twitter, and other social networks. The language is based on a technology that uses machine learning and artificial intelligence. It is capable of analyzing many different types of errors, including common spelling mistakes, misused words, sentence structure issues, and grammatical problems. With the exception of English, the extension can support most of the languages in the world. It is compatible with Chrome, Safari, Edge, Firefox, and other browsers. It is available on iOS and macOS, and it is not compatible with Android.