Grambo

Grambo is a grammar checker and AI writing assistant designed for macOS.

Working seamlessly across all applications on Mac, helping users instantly fix grammar errors, spelling issues, and improve their writing style. Grambo runs the local AI model in offline mode by default, ensuring that users’ writing content remains completely locally on their device, balancing ultimate privacy protection with lightning-fast processing speed, providing real-time grammar analysis and intelligent suggestions without an internet connection. Users only need to select text in any Mac app, press the keyboard shortcut Command+Shift+G, and Grambo will instantly analyze and provide targeted grammar corrections, spelling corrections, and style optimization suggestions, making the writing process smoother and more confident. Grambo supports over 90 languages, including English, Spanish, French, German, Portuguese, Chinese, Japanese, Korean, and other major languages, making it suitable for multilingual creators and global teams. Its native Mac interface is designed to be beautiful and lightweight, supports dark mode, and integrates perfectly with Safari, Chrome, Mail, Messages, Slack, Notion, Word, Pages, Notes, Telegram, and many other applications, so you can get started without complex configuration. For users who pursue zero settings, you can choose to enable Grambo Cloud mode for instant startup, and it also supports the built-in API key function, allowing you to connect to high-quality models from OpenAI, Anthropic, or Google, and securely store keys in your Mac keychain to ensure privacy is not compromised. Grambo uses deep learning technology to provide contextual intelligent suggestions, which not only captures common grammar and punctuation errors, but also improves the clarity, conciseness, and readability of writing, truly helping Mac users write more perfect content in daily writing, email communication, professional document creation, and other scenarios.