macOS requires the Accessibility permission for any app that reads from or writes to text fields in other apps. Here's exactly what Tonero does — and doesn't — do with it.
When you press the global shortcut (⌥Space by default), Tonero reads the text you have selected in whatever app is in focus — Slack, Mail, Notes, or anywhere else. After you choose a tone, it types the rewritten text back into the same field.
Reading selected text and pasting a replacement back are both Accessibility APIs. macOS gates them behind a one-time permission prompt — the same prompt every clipboard manager, text expander, and window manager asks for.
Open System Settings → Privacy & Security → Accessibility and toggle Tonero on. macOS will remember this choice — you only need to do it once.
If you change your mind, you can revoke it at any time from the same panel.
Read our Privacy Policy or reach out to [email protected].