Discover what Fixkey is and how to use it effectively in 2025. We'll explore its features and see how it stacks up against other writing tools.

Fixkey is your personal AI writing assistant for macOS, kind of like a powerful alternative to Grammarly, especially if you’re a heavy user. It lets you pick a sentence and instantly make it better with just one shortcut. It works smoothly across all sorts of apps you probably use every day, like Apple Notes, Gmail, Slack, and Notion. People who use it really like how much time and effort it saves them. It streamlines your writing and brainstorming, helping you come up with ideas faster without stressing about mistakes. Plus, it’s super quick – its AI models respond in under 200 milliseconds, which makes it really efficient and easy to use. Essentially, Fixkey is designed to boost your writing quality and speed on your Mac, and it’s a tool that many power users trust.
Moritz Wallawitsch, the person behind RemNote, is the creator of Fixkey. It’s a lightweight app built specifically for macOS. It supports over 200 languages thanks to its use of Large Language Models (LLMs). You can even customize prompts in its editor and set up your own shortcuts for quick access. Fixkey’s main goal is to make your writing on macOS clearer and more efficient.
Here’s how to get the most out of Fixkey:
By following these simple steps, you can really boost your writing experience on macOS with Fixkey.
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