Ultimate AI Writing Tool in Chrome Extension. The Arvin ChatGPT chrome extension now comes with a built-in prompt library, making it an all-in-one tool. To use it, simply press the forward slash key “/” while using Arvin, and the prompt library will launch instantly. You can start chatting with different roles such as marketer, rapper, etc., without having to search for prompts in a new tab.Take your writing to the next level with Arvin, your AI writing assistant. Try Arvin’s advanced AI content generator tools now!