Bettertext is an AI writing toolbox powered by the OpenAI ChatGPT API. It analyzes text in real-time and provides instant improvement suggestions. Users can choose the appropriate tone based on their writing style and needs, helping to enhance professionalism or conversationality. The toolbox offers a variety of features, including improving and rewriting text, shortening text, expanding text, continuing writing, email and message replies, question answering, summarization, and translation. It is suitable for students, professionals, content creators, and anyone who needs to write efficiently.