Download the installer from this website. On macOS, drag Tune to your Applications folder. On Windows, run the installer and follow the prompts.

Tune needs Accessibility permission to simulate copy and paste shortcuts. This is used only during the rewrite flow. Tune does not use this permission to monitor your keyboard or screen.

Open Tune, go to Settings, and set your preferred shortcut under Shortcuts > Global Shortcut. The shortcut must include a system modifier key like Command, Control, or Alt.

Not currently. Tune supports macOS 12+ and Windows 10/11.

Your selected text is sent to a proxy server that we operate. The proxy forwards it to OpenAI for processing. The rewritten text is returned to your device. Nothing is stored or logged.

No. Tune requires an internet connection to process rewrites.

Preset packs are groups of rewriting styles. Each pack can hold up to 9 presets. You might have a "Work" pack for professional writing and a "Personal" pack for casual messages.

Press / in the Tune overlay to type any instruction directly instead of picking a preset. For example, "Make it sound polished." or "Make this shorter."

5 rewrites per day, 9 preset packs, and 9 presets per pack. No account required.

Open Tune, go to Settings, and click Upgrade to Pro under General > License. You can also upgrade from the Pricing page on our website.

Yes, up to 3 devices per license.

Open Tune, go to Settings, and select Manage Subscription under General > License. This opens the Lemon Squeezy portal where you can cancel. You keep access until the end of your billing period.

Refunds are handled through Lemon Squeezy's refund policy.

On macOS, check that Accessibility permission is granted in System Settings. On both platforms, make sure the shortcut is not already taken by another app. You can change it in Settings.

Free tier allows 5 rewrites per day. The counter resets at midnight UTC. Upgrade to Pro for unlimited rewrites.

On macOS, drag Tune to the Trash. On Windows, use Add or Remove Programs. To remove all local data, delete the Tune configuration folder from your system.