Alter is an AI-powered productivity enhancement tool designed specifically for macOS users, offering a wide range of features to streamline tasks and boost efficiency. With the ability to understand your context and active applications, Alter provides over 60 AI actions tailored to your needs. Whether you're browsing YouTube, handling emails in Apple Mail, or creating presentations in Keynote, Alter simplifies tasks such as summarizing transcripts, extracting to-dos, generating drafts, and much more.

Additionally, Alter offers co-intelligences in various fields, allowing users to brainstorm, solve problems, and gain expert insights. Customization is key, as you can create your own actions, set shortcuts, and access multiple AI models without requiring an API key. With a focus on privacy, Alter supports offline experiences and provides options for using local models or personal API keys.