Correct anywhere
Use a global shortcut from Mail, Slack, Chrome, notes, or any app where you can select text.
Desktop writing assistant
AI writing from any app. Select text, press your shortcut, and turn rough writing into a clearer version without breaking your flow.
macOS 14+ is the primary release target. Windows is available as a signed setup installer.
Original
I just want to make this email sounds more clear and professional.
QuAI
I’d like to make this email sound clearer and more professional.
Built for repeated use
Use a global shortcut from Mail, Slack, Chrome, notes, or any app where you can select text.
Compare original and corrected text side by side, then accept, copy, refine, or reject the result.
Proofread, rewrite professionally, shorten, elaborate, translate, or create your own reusable style.
Assign a hotkey to a style and apply common corrections in one step without opening the popup.
Use Gemini with your own verified API key, or run downloaded Gemma 4 GGUF models locally.
Manage models, permissions, styles, shortcuts, startup behavior, and language from the desktop app.
Privacy by default
Offline models run on your device.
Gemini is optional and uses your own API key.
Anonymous analytics are opt-in and never include selected text, prompts, outputs, images, filenames, API keys, or raw errors.
Read the privacy policyDownload
macOS
Install the primary macOS release from Apple's storefront when the listing is available.
Open App StoreWindows
Install QuAI with the exe-based setup file instead of a zip or source download.
Download Windows SetupContact
Use the support link on QuAI’s Mac App Store listing for product support and privacy requests. A dedicated product support address can be added here later without changing the rest of the site.