Select text anywhere on your Mac, press a shortcut, get a better version in seconds. AI runs entirely on your device — no cloud, no API keys, no accounts.
xattr -d com.apple.quarantine /Applications/Rephraser.app
No menus, no context switching, no copy-pasting into ChatGPT.
Highlight text in any app — email, Slack, a Google Doc, your IDE.
Hit ⌥⇧R (or your custom combo). A floating panel streams the result in real time.
Enter to replace, Escape to cancel. Toggle diff view or change modes before deciding.
Click any image to view full size. Navigate with arrows or keyboard.
Apple MLX. Your text never leaves your Mac.
Slack → casual. Gmail → professional. Auto.
First token in under 2s. No spinner.
See exactly what changed before accepting.
Write your own system prompts.
Gemma 3, Qwen 3, Phi-4, Llama 3.2.
Any key combo. Set in Settings.
System-wide. No plugins needed.
No internet after model download.
Images, files, rich text — all restored.
Menu bar app. Always ready.
30s limit. Auto-cancels if stuck.
Apple's Writing Tools give you 3 fixed tones, route complex requests through cloud servers, fail in WhatsApp and web editors, and are blocked in China.
Rephraser gives you 9 modes, custom prompts, model choice, context-aware suggestions, diff view, and works in every app. All on your device.
Apple gives you Friendly, Professional, and Concise. Rephraser ships with 9 — and you can write your own system prompts for anything else.
Gemma 3 1B downloads automatically on first launch. Swap anytime in Settings — no terminal needed.
Fast download · Great for quick rephrasing · ~0.8 GB
Best quality · ~2.5 GB
Strong multilingual · ~2.5 GB
Smallest and fastest · ~1.8 GB
One shortcut. Nine modes. Fully private. Runs on your Mac.
Download for MacmacOS 14 (Sonoma) · Apple Silicon (M1+) · ~0.8 GB for default AI model
Yes. Rephraser is completely free — no subscriptions, no API keys, no hidden costs. The AI model runs locally on your Mac.
Never. Rephraser runs 100% on your device using Apple MLX. Your text never leaves your Mac — not even for analytics or telemetry.
Apple's Writing Tools offer 3 fixed tones, fail in many apps like WhatsApp, route complex requests to the cloud, and are blocked in some countries. Rephraser offers 9 modes plus custom ones, works in every app, stays fully on-device, includes a diff view, and is available worldwide.
Yes. After the initial model download (~0.8 GB), Rephraser works with zero internet. Airplanes, coffee shops, VPN tunnels — anywhere your Mac works.
macOS 14 (Sonoma) or later with Apple Silicon (M1, M2, M3, M4 or later). About 0.8 GB of free disk space for the default AI model.
Yes. Beyond the 9 built-in modes, you can create unlimited custom modes with your own system prompts to match any writing style or use case.
Rephraser is free, open source, and has no ads. If it saves you time, consider buying me a coffee. Every bit helps keep development going.
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