Desktop writing assistant

QuAI

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.

Proofread

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

A quiet desktop utility for everyday writing.

Correct anywhere

Use a global shortcut from Mail, Slack, Chrome, notes, or any app where you can select text.

Review before applying

Compare original and corrected text side by side, then accept, copy, refine, or reject the result.

Custom styles

Proofread, rewrite professionally, shorten, elaborate, translate, or create your own reusable style.

SnapApply shortcuts

Assign a hotkey to a style and apply common corrections in one step without opening the popup.

Gemini or offline

Use Gemini with your own verified API key, or run downloaded Gemma 4 GGUF models locally.

Local-first settings

Manage models, permissions, styles, shortcuts, startup behavior, and language from the desktop app.

Privacy by default

Private offline mode. Content-free analytics.

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 policy

Download

Start with the Mac App Store. Windows setup is next.

Windows

Setup installer

Install QuAI with the exe-based setup file instead of a zip or source download.

Download Windows Setup

Contact

Product support without exposing a personal inbox.

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.