Fixkey is an AI-powered writing assistant tailored for macOS, designed to enhance business communication by automating routine writing tasks and ensuring consistent, error-free content. Key features include instant grammar correction with customizable shortcuts, support for over 200 languages, and compatibility with over 300 applications. It also offers dictation using offline Whisper models and employs offline models fine-tuned for grammar correction. Users can benefit from Fixkey by saving time on editing, maintaining brand voice across various platforms, and boosting productivity, allowing them to focus on conveying ideas rather than worrying about typos or grammatical errors. Testimonials highlight its potential to significantly improve the writing process, making it invaluable for professionals engaged in frequent outreach or content creation.