Editable typed messages
WhisperJot puts text in the compose field so you can revise before sending, unlike an audio message that the recipient hears.
Fact-checked · Last verified 2026-09-01
How to dictate in Messages
How to dictate in Messages
on Mac, in the compose field
Typing by voice in Messages on Mac uses macOS Dictation in the compose field. The waveform button records an audio message that is automatically transcribed for the recipient in the sender's system language. WhisperJot can insert cleaned-up text in the same compose field from one hotkey.
macOS Dictation + audio messages
The built-in option
Typing by voice in Messages is standard macOS Dictation in the compose field: enable it in System Settings > Keyboard > Dictation, start with the Microphone or Dictation key, the Dictation shortcut, or Edit > Start Dictation, and stop with Esc. There is no length timeout; it stops after 30 seconds of silence. On Apple silicon, supported languages are processed on-device. Audio messages are a different path: click the record (waveform) button, speak, stop, optionally play, then press Return to send. Apple says audio messages are automatically transcribed in the language of the sender's system so the recipient can read a transcript. The audio disappears from your side two minutes after sending unless you click Keep. Apple lists supported transcription languages on its feature-availability page; this guide does not enumerate them. Apple does not state whether that audio transcription is on-device.
- To type a message by voice, enable System Settings > Keyboard > Dictation, click the compose field, and start Dictation with your shortcut or Edit > Start Dictation.
- To send an audio message instead, click the waveform record button, speak, stop, optionally play it back, then press Return to send.
- If you want the recording to remain on your side, click Keep within two minutes; otherwise the audio disappears from your conversation view.
One hotkey across apps
Dictate in Messages (iMessage on Mac) with WhisperJot
- Install WhisperJot, open Messages, and click in the compose field of the conversation.
- Press ⌥Space or hold fn, then speak the message while live partials appear in the floating HUD.
- Stop to insert punctuated text in Messages; filler removal and a casual per-app tone can keep the wording chat-like.
- Send from Messages as usual, or use optional spoken “press enter” after insertion; the same hotkey works in other apps.
Casual iMessage tone
Per-app tone can keep Messages conversational while email or documents use a more formal setting.
Cleanup and shortcuts
Filler removal, spoken punctuation, self-correction, and spoken shortcuts help a spoken reply read like a typed one.
Local engines by default
With a local engine selected, transcription runs on-device by default and can work offline after a one-time model download (about 500 MB on Mac, around 600 MB on Windows and Linux). Jot Cloud is opt-in.
Questions
Straight answers.
How do I dictate a text message in Messages on Mac?
Click the compose field and use macOS Dictation. Enable it in System Settings > Keyboard > Dictation, then start with the Microphone or Dictation key, your Dictation shortcut, or Edit > Start Dictation, and stop with Esc. There is no length timeout; dictation stops after 30 seconds of silence. On Apple silicon, supported languages can process on-device. WhisperJot is another option in the same field.
How do audio messages work in Messages on Mac?
Click the waveform record button, speak, stop, optionally play the clip, then press Return to send. Apple says audio messages are automatically transcribed in the language of the sender's system so the recipient can read a transcript. The audio disappears from your side two minutes after sending unless you click Keep. This is an audio send path, not typing into the compose field.
Are Messages audio transcripts processed on-device?
Apple's cited materials say the recipient can read a transcript in the sender's system language, and they list supported languages on the macOS feature-availability page. They do not state whether that transcription runs on-device, so this guide does not claim a processing location. Check Apple's current documentation if on-device processing is a requirement for you.
Can WhisperJot send an iMessage after I dictate?
WhisperJot inserts cleaned-up text into the focused Messages compose field. You can then send from Messages, and optional spoken “press enter” can send after insertion. It does not record an audio message or replace the waveform button. Local engines transcribe on-device by default; Jot Cloud is opt-in. Per-app tone can keep Messages casual without changing how other apps sound.
Sources, checked 2026-09-01: Mac Messages: send an audio message, macOS feature availability, macOS Dictation user guide. Vendor features change — check each product's documentation for current behavior.
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