Slack is where you fire off a hundred quick replies a day — and with Clavio you can send them without touching a thing. Say your reply and it lands in the message box in a relaxed, chatty tone, the filler trimmed and the punctuation added for you, then sends itself the moment you stop talking. Clavio keeps that casual register just for Slack — your email stays buttoned-up — so the same voice carries you from a channel to your inbox without flipping a single switch.
Just talk — always-on listening or a wake word
For Slack, set Clavio to listen: always-on, or a short wake word you pick, so there's never a key to reach for between messages. A teammate pings you, you glance at the thread and just say your reply — Clavio hears you, types it into the compose box, and with auto-send on it's gone the instant you finish. No shortcut, no button, no trackpad; the way chat is supposed to feel. And because it only answers to your enrolled voiceprint, a colleague talking next to you never trips it, so you can leave it listening all day.
Casual by default — Slack gets your chat voice, not your email voice
Set Clavio's polish to casual for Slack and it reshapes what you said into something loose and conversational — the way you'd actually type in a channel — not the tidy paragraphs you'd want in an email. It drops the “um” and the “wait, no” you mutter mid-thought, punctuates for you so you never say “comma” out loud, and keeps it short. The point is that this casual register is remembered for Slack alone: your email tone stays formal, so one spoken sentence comes out relaxed in a channel and polished in your inbox, with nothing to toggle between them.
Clear a whole run of pings without touching the keyboard
Slack is rarely one message — it's a burst of them: a DM here, three thread replies, a quick “on it” in a channel. With auto-send on, each one leaves the moment you stop talking, so you can work down a backlog of pings by voice alone, moving thread to thread while your hands stay on your coffee. Add your teammates' names, your channel names, and the projects you talk about to Clavio's dictionary, and they come through spelled right every time — no autocorrect quietly turning a colleague's name into a stranger's.
One voice for the whole day — Slack, email, docs, and back
The relaxed voice you use in Slack is the same one that writes everything else — it just changes register. Switch to your inbox and Clavio remembers email is formal; drop into a doc or a ticket and it fits that too. You set the tone once per app and never think about it again — casual for Slack, buttoned-up for Mail, clean prose for a doc — so a single way of working takes you from a channel to a client email without changing how you talk. That's the whole idea: you stop typing and start talking, everywhere your cursor goes.
Recommended Clavio settings for Slack
| Setting | Recommended | Why |
|---|---|---|
| Activation | Always-on or a wake word | Reply with nothing to press — Clavio hears you and types into the compose box the moment you talk. |
| Polish level | Casual | Rewrites your words into a loose, chatty register that fits a channel, filler trimmed and punctuated for you. |
| Auto-send | On | Presses Enter when you stop, so a spoken reply is sent without touching the keyboard. |
| Personal dictionary | Add teammates & channels | Keeps names, channel names, and project terms coming through clean — no autocorrect surprises. |
| Per-app tone memory | Casual for Slack | Clavio remembers a relaxed register for Slack while email stays formal — no toggling between a channel and your inbox. |
Talk to Slack, sound like yourself
Clavio is an AI dictation app for Mac. It sits in your menu bar and types finished text wherever your cursor is — the Slack compose box, your email, a doc, the browser. Set it to always-on or a wake word so you reply with nothing to press, keep the polish casual so Slack gets your chat voice while email stays formal, and turn auto-send on so a spoken reply fires the moment you stop. A personal dictionary keeps teammate and channel names intact, and an on-device voiceprint means only your voice sets it off. Free to try: 3,000 words a month, no card, macOS 14+ on Apple Silicon. Pro is £12/month for unlimited.
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Common questions
Can I send Slack messages fully hands-free?
Yes. Set Clavio to always-on or give it a wake word, turn auto-send on, and just say your reply — Clavio types it into the compose box and presses Enter the moment you stop. Nothing to press, hold, or click; the message leaves while your hands are nowhere near the keyboard.
Will it sound stiff, or mangle names?
No on both. The casual polish reshapes your words into a loose, chatty tone that fits a channel — not a stiff word-for-word transcript — and strips the filler for you. To keep teammate names, channel names, and project terms exact, add them to Clavio's dictionary and they come through spelled right every time.
Can Slack be casual while my email stays formal?
Yes, and that's the point. Clavio remembers the tone per app, so the same spoken sentence comes out relaxed in a Slack channel and polished in your inbox, with nothing to toggle between them. You set casual for Slack once and it stays that way only there.
Can I use the same voice everywhere, not just Slack?
Yes — Clavio types into whatever's in front of your cursor: email, docs, tickets, the browser, editors. It just changes register per app — casual for Slack, formal for Mail, clean prose for a doc — so one way of talking carries you through the whole day.
Does Slack or my Mac already do this?
Slack has no voice typing of its own, and your Mac's built-in dictation types word-for-word in one flat style and makes you say your punctuation out loud — fine for a sentence, clumsy for quick chat. Clavio reshapes what you said into a casual, punctuated message and can send it for you, which is why it fits Slack in a way the built-in option doesn't.