Fixkey is an AI-powered writing tool designed for macOS that helps users improve their writing by fixing typos and grammar errors. The app allows users to prioritize their thoughts while it handles any typos in the background, making typing in the age of AI feel effortless. Fixkey offers custom prompts which can be inputted at any time, as well as predefined prompts to choose from. Users can press one shortcut key to fix grammar on a current line or paragraph and customize shortcuts according to their preference. The app is lightweight and natively written for macOS, supporting over 200 languages using LLMS technology with offline models fine-tuned for grammar fixing (beta). It also supports dictation using the latest offline whisper models (beta) and officially supports over 300 applications such as mail, LinkedIn, WhatsApp among others.